A boy of mass 50 kg can climb a mountain of height 30 m in 5 minute what will be his power

The force on a particle of mass 2.0 kg varies with position according to F (x)=3.0x2 (x in meters, F (x) in newtons). The particle's velocity at x=2.0m is 5.0 m/s. Calculate the mechanical energy of the particle using (a) the origin as the reference point and (b) x = 4.0 m as the reference point. (c) Find the particle's velocity at x=1.0m .Running 60.0 kg = 588 N 2.30 m 2.25 Walking 60.0 kg = 588 N 2.30 m 4.50 WORK POWER Activity Joules caloriesWatts Horsepower Running 13503236000.828. ... an amount equal to the change in height times the mass times the acceleration of gravity. So we can write GPE=m g h, where GPE is the change in potential energy, m is the mass in kilograms, h ...A boy of mass 50 kg runs up a hill of vertical height 300 m in 20 minutes. Calculate a) the average vertical force he uses to lift himself up the hillside (500N). b) the work he does climbing the hill (150kJ), c) his average power (125 W). (Use g = 10ms-2) Question: A boy of mass 50 kg runs up a hill of vertical height 300 m in 20 minutes. Determine Anita's power rating during this portion of the climb. 8240 W. An elevator motor lifts 715 kg of mass to the height of the fourth floor of an office building (11.0 meters above ground level) at a constant speed in 9.35 seconds. ... A boy raises a 20 kg rock 2.3 meters. Calculate the amount of work that he does? 11.65 J. A physics book ...[4] 2022/03/07 10:23 30 years old level / An office worker / A public employee / Useful / Purpose of use Checking whether the distance from the sun as inferred from Hesiod's Theogeny, where he indicates that heaven and the sun are about the same distance from the earth, and that if an anvil fell from heaven it would reach earth in nine days and ... An elevator winch can lift 1927 kg to a height of 18.5 m in 19.8 s. ... What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit of a hill of height 405 ...mass of the helicopter is 5.0 310 3 kg and the mass of the heat pump is 1500 kg. a. How much force must the air exert on the helicopter to lift the heat pump with an acceleration of 1.5 m/s 2? F net 5 F lift 1 F overcome gravity 5 ma 1 mg 5 (6.5 310 3 kg)(1.5 m/s 2) 1 (6.5 310 3 kg )(9.80 m/s 2) 5 7.3 310 4 N upward b. Two chains connected to ...4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m.A 30-kg girl and a 25-kg boy face each other on frictionless roller skates. The girl pushes ... kg woman whose average power is 30 W can climb mountain 2.0 km high in a. 1.0 h b. 1.1 h c. 5.4 h d. 11 h. d. 11. ... A total of 4900 J is expended in lifting a 50-kg mass. The mass was raised to a height of a. 10 m b. 98 m c. 960 m d. 245 km. a. 17.Mass of boy=40 kg. Vertical height moved, h=8m. Time taken, t=5s. (i) Force of gravity on the boy. F= mg =40 x 10 =400N (ii) While climbing, the boy has to do work against the force of gravity. Work done by the boy in climbing= Force x distance moved in the direction of force. Or, W = F x S= 400 x 8= 3200 J (iii) Power spent = ExploreLearning ® is a Charlottesville, VA based company that develops online solutions to improve student learning in math and science. STEM Cases, Handbooks and the associated Realtime Reporting System are protected by US Patent No. 10,410,534. 110 Avon Street, Charlottesville, VA 22902, USA.Former GOP Congressman Arrested On Insider Trading Charges. Former Rep. Stephen Buyer was arrested Monday in Indiana on charges related to an insider trading case brought by the Securities and Exchange Commission. By Larry Neumeister, AP. Politics.Running 60.0 kg = 588 N 2.30 m 2.25 Walking 60.0 kg = 588 N 2.30 m 4.50 WORK POWER Activity Joules caloriesWatts Horsepower Running 13503236000.828. ... an amount equal to the change in height times the mass times the acceleration of gravity. So we can write GPE=m g h, where GPE is the change in potential energy, m is the mass in kilograms, h ...Approximate the work required lift a 2.5-kg object to a height of 6.0 meters. PSYW. Answer: ~150 J. The work done upon an object is found with the equation. W = F*d*cos (Theta) In this case, the d=6.0 m; the F=24.5 N (it takes 24.5 N of force to lift a 2.5-kg object; that's the weight of the object), and the angle between F and d (Theta) is 0 ... PRODUCTS. Books. Guinness World Records 2022. Wild Things. Guinness World Records Kids (opens in a new window) Guinness World Records TV shows. Guinness World Records attractions. Guinness World Records store (opens in a new window) Educators (opens in a new window) Welcome to the oldest and most popular bicycle performance prediction calculator on the web - since 1997. Effortlessly compute speed or power for all important parameters, such as weight, grade, position and tire type. This is actually an "engineering model" that knows the relationships between power, speed, and the three major forces: gravity ... Welcome to the oldest and most popular bicycle performance prediction calculator on the web - since 1997. Effortlessly compute speed or power for all important parameters, such as weight, grade, position and tire type. This is actually an "engineering model" that knows the relationships between power, speed, and the three major forces: gravity ... The trashcan is disgusting. So someone ties a string to it and pulls on the string with a force of 50 newtons. The force of kinetic friction on the trashcan while it slides is 30 newtons. The trash can slides across the ground for a distance of 10 meters. Let's try to find the work done by each force on the trash can as it slides across the ground.(a) Calculate the magnitude of the force needed to stop the downward motion of a jogger’s leg, if his leg has a mass of 13.0 kg, a speed of 6.00 m/s, and stops in a distance of 1.50 cm. (Be certain to include the weight of the 75.0-kg jogger’s body.) (b) Compare this force with the weight of the jogger. Calculate the power output needed for a 950-kg car to climb a [latex] 2.00\text{°} [/latex] slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N. A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. 4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m.Click here👆to get an answer to your question ️ 25. An athlete of mass 60 kg skips at the rate of 20 steps per minute through an average height of 25 cm. The power de- veloped is a. 98 W b.49 W c. 14 W d. 21 W ditance of Note: The answer is not (1.32) (10^5) J. Problem 6 A tank in the shape of an inverted right circular cone has height 6 meters and radius 3 meters. It is filled with 3 meters of hot chocolate. Find the work required to empty the tank by pumping the hot chocolate over the top of the tank. The density of hot chocolate is δ=1090 kg/m^3 Include units.4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m.Given that , A man whose mass is 50kg climbs up 30 steps of a stair in 30s each step is 20 cm high Height at 30 steps , h=30×0.2=6 m Change in potential energy , =mgh=50×10×6=3000 J So, Work done by the man , W=3000 J Power used , P= tW= 303000=100 W Solve any question of Work, Energy and Power with:- Patterns of problems > Was this answer helpful?Approximate the work required lift a 2.5-kg object to a height of 6.0 meters. PSYW. Answer: ~150 J. The work done upon an object is found with the equation. W = F*d*cos (Theta) In this case, the d=6.0 m; the F=24.5 N (it takes 24.5 N of force to lift a 2.5-kg object; that's the weight of the object), and the angle between F and d (Theta) is 0 ... A bird has a mass of 26 g and perches in the middle of a stretched telephone line. (a) Show that the tension in the line can be calculated using the equation T=mg2sinθT=mg2sinθ. Determine the tension when (b) θ=5°θ=5° and (c) θ=0.5°θ=0.5°. Assume that each half of the line is straight. The amount of work can also be expressed in power x time units, for instance, kilowatt-hour or kWh. One kWh refers to the work done at a constant rate of 1 kiloWatt for one hour. 1. A 50-kg person runs up the stairs 10 meters high in 2 minutes. A cceleration due to gravity (g) is 10 m/ s 2. Determine the power. Known : Mass (m) = 50 kg. Height ... A ball of mass 0.4 kg is lifted to a height of 2.5 m. ... v = 20 m/s. The 50 kg mass returns to the ground with a speed of 20 m/s, which is exactly the same as the speed of the 25 kg mass ... For calculating the work done by the climber, we need to put the above in terms of what force the climber is applying to the things the climber is in contact with, and note the directions. That ...The potential energy formula Let's look under the hood of the potential energy calculator. To help you picture it, our example will be the massive wrecking ball on a crane. The gravitational potential energy of this ball depends on two factors - the mass of the ball and the height it's raised to.Calculate Your Body Mass Index. Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. View the BMI tables or use the tool below to compute yours. Enter your weight and height using standard or metric measures. Select "Compute BMI" and your BMI will appear below. Therefore, a person weighing 122 lbs who does 40 minutes of high impact aerobic activity, cooks for 60 minutes, lifts general weights for 20 minutes and sleeps for six hours burns 473 calories a day. A person who wishes to lose 1 kg of weight must burn 7000 calories more than the normal calories consumed on a daily basis.A 69 kg human sprinter can accelerate from rest to 12 m/s in 3.2 s . During the same time interval, a 29 kg greyhound can accelerate from rest to 23 m/s . A) Compute the change in kinetic energy for the sprinter. B) Compute the change in kinetic energy for the greyhound. C) Compute the average power output for the sprinter. 18. Power An elevator lifts a total mass of 1.1"103 kg a distance of 40.0 m in 12.5 s. How much power does the elevator generate? P!! W t!! F t d! mg t d!! 3.4"104 W 19. Work A .180-kg ball falls 2.5 m. How much work does the force of gravity do on the ball? W! F gd! mgd! (0.180 kg)(9.80 m/s2)(2.5 m)! 4.4 J 20. Mass A forklift raises a box 1.2 ...attached to a puck of mass m that can move without friction over a horizontal surface. The puck is set into motion in a circle with a period of 1.30 s. (a) Find the extension of the spring x as it depends on . Evaluate m x for (b) 5m 0.070 0 kg, (c) 5 0.140 kg, (d) m 5 m 0.180 kg, and (e) m 5 0.190 kg. (f) Describe the pattern of variation of x ...A 60 kg hiker wishes to climb a mountain an ascent of 1500 m. ... A hoop of mass m = 5 kg and radius r = 0.05 m is at rest on an inclined plane at a height of h = 0.5 m above the bottom of the ... Welcome to the oldest and most popular bicycle performance prediction calculator on the web - since 1997. Effortlessly compute speed or power for all important parameters, such as weight, grade, position and tire type. This is actually an "engineering model" that knows the relationships between power, speed, and the three major forces: gravity ...Given that , A man whose mass is 50kg climbs up 30 steps of a stair in 30s each step is 20 cm high Height at 30 steps , h=30×0.2=6 m Change in potential energy , =mgh=50×10×6=3000 J So, Work done by the man , W=3000 J Power used , P= tW= 303000=100 W Solve any question of Work, Energy and Power with:- Patterns of problems > Was this answer helpful?A 60 kg hiker wishes to climb a mountain an ascent of 1500 m. ... A hoop of mass m = 5 kg and radius r = 0.05 m is at rest on an inclined plane at a height of h = 0.5 m above the bottom of the ... If an object with a mass of 1kg falls with an acceleration of 9.8 ms-2, then the magnitude of the force is given as : F = ma = (1kg)(9.8ms-2) = (9.8 kg.ms-2) = 9.8 N. Therefore, it can be concluded that the relation between weight and mass of an object with 1kg mass will have a weight of 9.8N. mass of the helicopter is 5.0 310 3 kg and the mass of the heat pump is 1500 kg. a. How much force must the air exert on the helicopter to lift the heat pump with an acceleration of 1.5 m/s 2? F net 5 F lift 1 F overcome gravity 5 ma 1 mg 5 (6.5 310 3 kg)(1.5 m/s 2) 1 (6.5 310 3 kg )(9.80 m/s 2) 5 7.3 310 4 N upward b. Two chains connected to ...Mar 20, 2021 · A rubber ball of mass 50 gm falls from a height of 1 m and rebounds to a height of 0.5 in. Finds the impulse and average force between the ball and the ground if the time for which they are in contact is 0.1 s. Answer: m = mass of ball = 50gm = \(\frac{50}{1000}=\frac{1}{20}\) kg, J =?. F =? Case I: u = initial velocity of ball = O Calculate Your Body Mass Index. Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. View the BMI tables or use the tool below to compute yours. Enter your weight and height using standard or metric measures. Select "Compute BMI" and your BMI will appear below. A hydroelectric power facility (see Figure 6) converts the gravitational potential energy of water behind a dam to electric energy. (a) What is the gravitational potential energy relative to the generators of a lake of volume 50.0 km 3 (mass = 5.00 × 10 13 kg), given that the lake has an average height of 40.0 m above the generators? (b ... An elevator winch can lift 1927 kg to a height of 18.5 m in 19.8 s. ... What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit of a hill of height 405 ...In this example, a 3 kilogram mass, at a height of 5 meters, while acted on by Earth's gravity would have 147.15 Joules of potential energy, PE = 3kg * 9.81 m/s 2 * 5m = 147.15 J. 9.81 meters per second squared (or more accurately 9.80665 m/s 2 ) is widely accepted among scientists as a working average value for Earth's gravitational pull. The Brainly community is constantly buzzing with the excitement of endless collaboration, proving that learning is more fun — and more effective — when we put our heads together. Help the community by sharing what you know. Answering questions also helps you learn! Shoneitszeliapink. Biology.PRODUCTS. Books. Guinness World Records 2022. Wild Things. Guinness World Records Kids (opens in a new window) Guinness World Records TV shows. Guinness World Records attractions. Guinness World Records store (opens in a new window) Educators (opens in a new window) an example, let's put in numbers for a 1 kg object sitting on the surface of the Earth. Then the force of attraction is given by the gravity equation with m = 1 kg, M = the mass of the Earth = 6u1024 kg, and r = radius of the Earth (that's the distance to the center of the sphere). This distance is r = 6371 km ≈ 6u106 meters. Without ...A diver of mass 50-kg jumps from a cliff at 5.00m/s upward at an angle of 30 degrees as measured from the horizontal surface of the cliff. The cliff is 20 m above the surface of a body of water. (F... The trashcan is disgusting. So someone ties a string to it and pulls on the string with a force of 50 newtons. The force of kinetic friction on the trashcan while it slides is 30 newtons. The trash can slides across the ground for a distance of 10 meters. Let's try to find the work done by each force on the trash can as it slides across the ground.Calculate the energy transferred to the gravity store when a woman of mass 60 kg climbs 4 rungs up a ladder. Each rung is 15 cm high. First calculate the distance climbed in metres: (a) Find the useful power output of an elevator motor that lifts a 2500-kg load a height of 35.0 m in 12.0 s, if it also increases the speed from rest to 4.00 m/s. Note that the total mass of the counterbalanced system is 10,000 kg—so that only 2500 kg is raised in height, but the full 10,000 kg is accelerated.Click here👆to get an answer to your question ️ 25. An athlete of mass 60 kg skips at the rate of 20 steps per minute through an average height of 25 cm. The power de- veloped is a. 98 W b.49 W c. 14 W d. 21 W ditance of Jul 20, 2022 · The easiest way to calculate gravitational potential energy is to use our potential energy calculator. This tool estimates the potential energy on the basis of three values. These are: The mass of the object; Gravitational acceleration, which on Earth amounts to 9,81 m/s² or 1 g; and. The height of the object. 1. A car moving at 10 m/s speeds up uniformly to a speed of 30 m/s in a time of 5 seconds. What was the car's acceleration? Answer: 4 m/s2 2. A bus is moving at a speed of 20 m/s, when it begins to slow at a constant rate of 5 m/s2 in order to stop at a bus stop. If it comes to rest at the bus stop, how farApproximate the work required lift a 2.5-kg object to a height of 6.0 meters. PSYW. Answer: ~150 J. The work done upon an object is found with the equation. W = F*d*cos (Theta) In this case, the d=6.0 m; the F=24.5 N (it takes 24.5 N of force to lift a 2.5-kg object; that's the weight of the object), and the angle between F and d (Theta) is 0 ... Note: The answer is not (1.32) (10^5) J. Problem 6 A tank in the shape of an inverted right circular cone has height 6 meters and radius 3 meters. It is filled with 3 meters of hot chocolate. Find the work required to empty the tank by pumping the hot chocolate over the top of the tank. The density of hot chocolate is δ=1090 kg/m^3 Include units.ExploreLearning ® is a Charlottesville, VA based company that develops online solutions to improve student learning in math and science. STEM Cases, Handbooks and the associated Realtime Reporting System are protected by US Patent No. 10,410,534. 110 Avon Street, Charlottesville, VA 22902, USA.Dec 30, 2015 · mass = 50kg time taken = 30 sec steps =30 each height =20cm =0.2m so, the total height = 6m now, power =work / time ... (1) work = force * distance ... (2) and force = weight = mg = 50kg * 10m/s² = 500 N ... (3) now, putting the value of (2) and (3) in (1) power = 500 * 6 / 30 power = 3000 / 30 ∴power = 100 W Advertisement Still have questions? Calculate Your Body Mass Index. Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. View the BMI tables or use the tool below to compute yours. Enter your weight and height using standard or metric measures. Select "Compute BMI" and your BMI will appear below. Calculate the energy transferred to the gravity store when a woman of mass 60 kg climbs 4 rungs up a ladder. Each rung is 15 cm high. First calculate the distance climbed in metres: May 18, 2022 · Find the mass of the object. For example, we can measure the kinetic energy of a bicycle & bicyclist. Let's say the cyclist has a mass of 50 kg, and the cycle has a mass of 20 kg, for a total mass m of 70 kg. We can now treat them as one 70 kg object, since they'll be traveling together at the same speed. Calculate the power output needed for a 950-kg car to climb a [latex] 2.00\text{°} [/latex] slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N. A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. Ae2(b/2m)t x b 5 0.1km b 5 0.4km F max/k 2F max/k 3F max/k 4F max/k 5F max/ k 0.5 1.0 1.5 2.0 A b 5 0.2 m 0 v d /v b 5 0.4km b 5 0.7km b 5 1.0km b 5 2.0km Two uniform, solid cylinders of radius R and total mass M are con-nected along their common axis by a short, light rod and rest on a horizontal tabletop (Fig. 14.29). A frictionless ring at ...4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m. The refrigerator has to go up a 30-degree ramp that happens to have a static coefficient of friction with the refrigerator of 0.20 and a kinetic coefficient of friction of 0.15. The good news is that you have two friends to help you move the fridge. The bad news is that you can supply only 350 newtons of force each, so your friends panic. A 30-kg girl and a 25-kg boy face each other on frictionless roller skates. The girl pushes ... kg woman whose average power is 30 W can climb mountain 2.0 km high in a. 1.0 h b. 1.1 h c. 5.4 h d. 11 h. d. 11. ... A total of 4900 J is expended in lifting a 50-kg mass. The mass was raised to a height of a. 10 m b. 98 m c. 960 m d. 245 km. a. 17.A crate having mass 50.0 kg falls horizontally off the back of the flatbed truck, which is traveling at 100 km/h. Find the value of the coefficient of kinetic friction between the road and crate if the crate slides 50 m on the road in coming to rest. The initial speed of the crate is the same as the truck, 100 km/h. When jogging at 13 km/h on a level surface, a 70-kg man uses energy at a rate of approximately 850 W. Using the facts that the "human engine" is approximately 25 efficient, determine the rate at which this man uses energy when jogging up a 5.0 slope at this same speed. Assume that the frictional retarding force is the same in both cases.Enter the email address you signed up with and we'll email you a reset link.SOLUTIONS GUIDES - HOME SOLUTIONS GUIDES - HOME 1.50. A boat of mass 100 kg and length 3 m is at rest in still water. A boy of mass 50 kg walks from the bow to the stern. Find the distance through which the boat moves. 1.51 At one end of the rod of length L, a body whose mass is twice that of the rod is attached.A 30-kg girl and a 25-kg boy face each other on frictionless roller skates. The girl pushes ... kg woman whose average power is 30 W can climb mountain 2.0 km high in a. 1.0 h b. 1.1 h c. 5.4 h d. 11 h. d. 11. ... A total of 4900 J is expended in lifting a 50-kg mass. The mass was raised to a height of a. 10 m b. 98 m c. 960 m d. 245 km. a. 17.Apr 26, 2022 · The kinetic energy equation is as follows: KE = 0.5 * m * v², where: m - mass, v - velocity. With the kinetic energy formula, you can estimate how much energy is needed to move an object. The same energy could be used to decelerate the object, but keep in mind that velocity is squared. Mass of the body, m A = 5 Kg. Mass of the body, m B = 10 kg. Applied Force = 200 N. Coefficient of friction between the bodies and the table μ s = 0.15 (a) The force of friction is given by the relation: f s = μ(m A + m B)g = 0.15 (5 + 10) x 10 = 1.5 x 15 = 22.5 N, towards left. Therefore, the net force on the partition is 200 – 22.5 = 177 ... Given that , A man whose mass is 50kg climbs up 30 steps of a stair in 30s each step is 20 cm high Height at 30 steps , h=30×0.2=6 m Change in potential energy , =mgh=50×10×6=3000 J So, Work done by the man , W=3000 J Power used , P= tW= 303000=100 W Solve any question of Work, Energy and Power with:- Patterns of problems > Was this answer helpful?Sperry Road Campground is CLOSED for renovations. Camping at Mount Greylock $8/night for Massachusetts residents and $20/night for non-residents. Group camping is $35/night for Massachusetts residents and $100/night for non-residents. Determine Anita's power rating during this portion of the climb. 8240 W. An elevator motor lifts 715 kg of mass to the height of the fourth floor of an office building (11.0 meters above ground level) at a constant speed in 9.35 seconds. ... A boy raises a 20 kg rock 2.3 meters. Calculate the amount of work that he does? 11.65 J. A physics book ...A hydroelectric power facility (see Figure 6) converts the gravitational potential energy of water behind a dam to electric energy. (a) What is the gravitational potential energy relative to the generators of a lake of volume 50.0 km 3 (mass = 5.00 × 10 13 kg), given that the lake has an average height of 40.0 m above the generators? (b ... I'm an avid cyclist weekend warrior ( mtb, gravel and road). Usually and consistently put out 3.50-3.60 watts/kg. I weigh 137 lbs (using a Quarq Q power meter and HRM). TBH, I'm not much of a numbers guy, but it's interesting to know this number for me as I do a lot of climbing.The body is made up mainly of bone (~1900 kg/m 3), fat (~914 kg/m 3), and almost everything else (~1040 kg/m 3). Approximately 14% of body mass is bone. So, only fat has a density less than water meaning the more fat you carry, the more buoyant you are likely to be. It is difficult to try to get more quantitative because the lungs occupy a not ...4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m.Calculate the power output needed for a 950-kg car to climb a [latex] 2.00\text{°} [/latex] slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N. A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. 4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m. an example, let's put in numbers for a 1 kg object sitting on the surface of the Earth. Then the force of attraction is given by the gravity equation with m = 1 kg, M = the mass of the Earth = 6u1024 kg, and r = radius of the Earth (that's the distance to the center of the sphere). This distance is r = 6371 km ≈ 6u106 meters. Without ...One of them is adding 2.5 inches (7.6 cm) to the average of the parent's height for a boy and subtracting 2.5 inches (7.6 cm) for a girl. The second calculator above is based on this method. Another simple method is to double the height achieved by the child by age 2 for a boy, or age 18 months for a girl. How to get taller? Dec 30, 2015 · mass = 50kg time taken = 30 sec steps =30 each height =20cm =0.2m so, the total height = 6m now, power =work / time ... (1) work = force * distance ... (2) and force = weight = mg = 50kg * 10m/s² = 500 N ... (3) now, putting the value of (2) and (3) in (1) power = 500 * 6 / 30 power = 3000 / 30 ∴power = 100 W Advertisement Still have questions? A man weighing 8 0 k g climbs a staircase with a load of 2 5 k g in his hand, the staircase has 2 5 steps and each step has a height of 2 0 c m. If the climbs the staircase in 1 5 s , find the power ( g = 9 . 8 m / s 2 ) ( 3 4 3 W ) ExploreLearning ® is a Charlottesville, VA based company that develops online solutions to improve student learning in math and science. STEM Cases, Handbooks and the associated Realtime Reporting System are protected by US Patent No. 10,410,534. 110 Avon Street, Charlottesville, VA 22902, USA.Breaking it down, you get: Power = Work/time. Power = (acceleration due to gravity) x mass x distance/time. Power = 9.81 m/s2 x kg x m /s or 9.81 Watts. (NOTE: The unit for power is the Watt, which is kg•m2/s3) Example: Calculate the power generated by a 54 kg person who takes 5 seconds to run up a 3 metre high set of stairs. Former GOP Congressman Arrested On Insider Trading Charges. Former Rep. Stephen Buyer was arrested Monday in Indiana on charges related to an insider trading case brought by the Securities and Exchange Commission. By Larry Neumeister, AP. Politics.A 69 kg human sprinter can accelerate from rest to 12 m/s in 3.2 s . During the same time interval, a 29 kg greyhound can accelerate from rest to 23 m/s . A) Compute the change in kinetic energy for the sprinter. B) Compute the change in kinetic energy for the greyhound. C) Compute the average power output for the sprinter.A lawn bowls ball has a mass of about m=1.5 kg and a radius of about R=6 cm=0.06 m. To get the equations of motion for the x and y motions, we first need expressions for D and W . The rolling friction may be expressed as D=-μmg where μ is the coefficient of rolling friction and mg is the weight of the ball.an example, let's put in numbers for a 1 kg object sitting on the surface of the Earth. Then the force of attraction is given by the gravity equation with m = 1 kg, M = the mass of the Earth = 6u1024 kg, and r = radius of the Earth (that's the distance to the center of the sphere). This distance is r = 6371 km ≈ 6u106 meters. Without ...The ladder has a mass of 30 kg, and its center of mass is three-eighths of the way up the ladder from the floor. If the coefficient of static friction between the ladder and the floor is 0.2, calculate how far a man of 80 kg can stand along the ladder without it slipping away at the floor. A) 3.7 m D) 5.4 m B) 6.3 m E) none of the aboveApr 22, 2021 · 10. A water pump raises 50 litres of water through a height of 25 m in 5s. Calculate the power which the pump supplies. (Take g = 10 N kg-1 and density of water = 1000 kg m-3) Mass of 50 litres of water = 50kg. h = 25 m, t = 5 s, g = 10Nkg-1 Power supplied by pump = Mgh / t = 50 ×10 × 25 /5 = 2500W. 11. A 1000-kg car has a KE of 450 kJ. The car's speed is. 30 m/s. A 200-kg satellite circles th earth in an orbit 7.0x10^6 m in radius. At this altitude g=8.2 m/s^2. The KE of the satellite is (1 GJ=10^9) 11.5 GJ. A force does work on an object if a component of the force. is parallel to the displacement of the object. A 60 kg hiker wishes to climb a mountain an ascent of 1500 m. ... A hoop of mass m = 5 kg and radius r = 0.05 m is at rest on an inclined plane at a height of h = 0.5 m above the bottom of the ... Two masses, m1=3.50 kg and m2=5.00 kg, are on a frictionless tabletop and mass m3=7.60 kg is hanging from m1. the coefficients of static and kinetic friction between m1 and m2 are 0.60 and 0.50, re...Your five-minute maximum power will be around 10 per cent higher than the 20-minute figure, e.g. in this example, around 295W). (Image credit: Dan Gould) Practical tips for improving your...Jul 23, 2022 · Our cycling power calculator assumes a constant 1.5% loss on your pulleys. The losses on the chain are dependent on its condition: 3 % 3\% 3% for a new, well-oiled chain; 4 % 4\% 4% for a dry chain (for example, when the oil has been washed away by rain); 5 % 5\% 5% for a dry chain that is so old it became elongated. May 13, 2021 · Steps to complete the problem: List all of the variables given. Mass of balloon = 80 kg. Volume of balloon = 1200 m 3. Density of Helium = .18 kg/m 3. Density of Air = 1.3 kg/m 3. Determine the the total mass that can be lifted by the helium balloon. Mass lifted = mass of the volume of fluid displaced. Mass = (1200 m 3 ) ( 1.3 kg/m 3) 4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m. Dec 30, 2015 · mass = 50kg time taken = 30 sec steps =30 each height =20cm =0.2m so, the total height = 6m now, power =work / time ... (1) work = force * distance ... (2) and force = weight = mg = 50kg * 10m/s² = 500 N ... (3) now, putting the value of (2) and (3) in (1) power = 500 * 6 / 30 power = 3000 / 30 ∴power = 100 W Advertisement Still have questions? All of the formulas, have the same format of a base weight given a height of 5 feet, with a set weight increment added per inch over the height of 5 feet. For example, if you are a 5'10" male estimating your ideal weight with the Devine formula, you would add (2.3 × 10) kg to 50 kg to get 73 kg, or ~161 lbs. Determine Anita's power rating during this portion of the climb. 8240 W. An elevator motor lifts 715 kg of mass to the height of the fourth floor of an office building (11.0 meters above ground level) at a constant speed in 9.35 seconds. ... A boy raises a 20 kg rock 2.3 meters. Calculate the amount of work that he does? 11.65 J. A physics book ...Welcome to the oldest and most popular bicycle performance prediction calculator on the web - since 1997. Effortlessly compute speed or power for all important parameters, such as weight, grade, position and tire type. This is actually an "engineering model" that knows the relationships between power, speed, and the three major forces: gravity ...Apr 22, 2021 · 10. A water pump raises 50 litres of water through a height of 25 m in 5s. Calculate the power which the pump supplies. (Take g = 10 N kg-1 and density of water = 1000 kg m-3) Mass of 50 litres of water = 50kg. h = 25 m, t = 5 s, g = 10Nkg-1 Power supplied by pump = Mgh / t = 50 ×10 × 25 /5 = 2500W. 11. A diver of mass 50-kg jumps from a cliff at 5.00m/s upward at an angle of 30 degrees as measured from the horizontal surface of the cliff. The cliff is 20 m above the surface of a body of water. (F... m = mass. v = velocity. The Momentum Calculator uses the formula p=mv, or momentum (p) is equal to mass (m) times velocity (v). The calculator can use any two of the values to calculate the third. Along with values, enter the known units of measure for each and this calculator will convert among units. 4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m.[4] 2022/03/07 10:23 30 years old level / An office worker / A public employee / Useful / Purpose of use Checking whether the distance from the sun as inferred from Hesiod's Theogeny, where he indicates that heaven and the sun are about the same distance from the earth, and that if an anvil fell from heaven it would reach earth in nine days and ... Calculate the power output needed for a 950-kg car to climb a [latex] 2.00\text{°} [/latex] slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N. A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. [4] 2022/03/07 10:23 30 years old level / An office worker / A public employee / Useful / Purpose of use Checking whether the distance from the sun as inferred from Hesiod's Theogeny, where he indicates that heaven and the sun are about the same distance from the earth, and that if an anvil fell from heaven it would reach earth in nine days and ... Calculate the power output needed for a 950-kg car to climb a [latex] 2.00\text{°} [/latex] slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N. A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. I'm an avid cyclist weekend warrior ( mtb, gravel and road). Usually and consistently put out 3.50-3.60 watts/kg. I weigh 137 lbs (using a Quarq Q power meter and HRM). TBH, I'm not much of a numbers guy, but it's interesting to know this number for me as I do a lot of climbing.The amount of work can also be expressed in power x time units, for instance, kilowatt-hour or kWh. One kWh refers to the work done at a constant rate of 1 kiloWatt for one hour. 1. A 50-kg person runs up the stairs 10 meters high in 2 minutes. A cceleration due to gravity (g) is 10 m/ s 2. Determine the power. Known : Mass (m) = 50 kg. Height ... Breaking it down, you get: Power = Work/time. Power = (acceleration due to gravity) x mass x distance/time. Power = 9.81 m/s2 x kg x m /s or 9.81 Watts. (NOTE: The unit for power is the Watt, which is kg•m2/s3) Example: Calculate the power generated by a 54 kg person who takes 5 seconds to run up a 3 metre high set of stairs. The boy holds weights as far from his body as possible. At this position the total moment of inertia of the boy, platform, and weights is 5.0 kg · m 2. 5.0kg·m2. The boy draws the weights in close to his body, thereby decreasing the total moment of inertia to 1.5 kg · m 2. 1.5kg·m2. (a) What is the final angular velocity of the platform?Dapatkan bantuan. Pakar-pakar di komunitas kami termasuk siswa-siswi, guru sekolah, Profesor, dan orang-orang jenius lainnya yang siap bantu menjawab pertanyaanmu. Takamori37. verified. verified. Vektor proyeksi ortogonal vektor b pada vektor a dinotasikan dengan: Dengan menentukan masing-masing unsur: Serta: Diperoleh hasil akhir:an example, let's put in numbers for a 1 kg object sitting on the surface of the Earth. Then the force of attraction is given by the gravity equation with m = 1 kg, M = the mass of the Earth = 6u1024 kg, and r = radius of the Earth (that's the distance to the center of the sphere). This distance is r = 6371 km ≈ 6u106 meters. Without ...A 69 kg human sprinter can accelerate from rest to 12 m/s in 3.2 s . During the same time interval, a 29 kg greyhound can accelerate from rest to 23 m/s . A) Compute the change in kinetic energy for the sprinter. B) Compute the change in kinetic energy for the greyhound. C) Compute the average power output for the sprinter.Two masses, m1=3.50 kg and m2=5.00 kg, are on a frictionless tabletop and mass m3=7.60 kg is hanging from m1. the coefficients of static and kinetic friction between m1 and m2 are 0.60 and 0.50, re...SOLUTIONS GUIDES - HOME mass of the helicopter is 5.0 310 3 kg and the mass of the heat pump is 1500 kg. a. How much force must the air exert on the helicopter to lift the heat pump with an acceleration of 1.5 m/s 2? F net 5 F lift 1 F overcome gravity 5 ma 1 mg 5 (6.5 310 3 kg)(1.5 m/s 2) 1 (6.5 310 3 kg )(9.80 m/s 2) 5 7.3 310 4 N upward b. Two chains connected to ...Mar 20, 2021 · A rubber ball of mass 50 gm falls from a height of 1 m and rebounds to a height of 0.5 in. Finds the impulse and average force between the ball and the ground if the time for which they are in contact is 0.1 s. Answer: m = mass of ball = 50gm = \(\frac{50}{1000}=\frac{1}{20}\) kg, J =?. F =? Case I: u = initial velocity of ball = O Approximate the work required lift a 2.5-kg object to a height of 6.0 meters. PSYW. Answer: ~150 J. The work done upon an object is found with the equation. W = F*d*cos (Theta) In this case, the d=6.0 m; the F=24.5 N (it takes 24.5 N of force to lift a 2.5-kg object; that's the weight of the object), and the angle between F and d (Theta) is 0 ... A ball of mass 0.4 kg is lifted to a height of 2.5 m. ... v = 20 m/s. The 50 kg mass returns to the ground with a speed of 20 m/s, which is exactly the same as the speed of the 25 kg mass ... The details of the rebound are specified in tennis regulations. Tennis balls, to be acceptable for tournament play, must have a mass of 57.5 g. When dropped from a height of $2.5 \mathrm{m}$ onto a concrete surface, a ball must rebound to a height of $1.4 \mathrm{m} .$ During impact, the ball compresses by approximately $6 \mathrm{mm}$.1.50. A boat of mass 100 kg and length 3 m is at rest in still water. A boy of mass 50 kg walks from the bow to the stern. Find the distance through which the boat moves. 1.51 At one end of the rod of length L, a body whose mass is twice that of the rod is attached.(a) Calculate the magnitude of the force needed to stop the downward motion of a jogger’s leg, if his leg has a mass of 13.0 kg, a speed of 6.00 m/s, and stops in a distance of 1.50 cm. (Be certain to include the weight of the 75.0-kg jogger’s body.) (b) Compare this force with the weight of the jogger. A ball of mass 0.4 kg is lifted to a height of 2.5 m. ... v = 20 m/s. The 50 kg mass returns to the ground with a speed of 20 m/s, which is exactly the same as the speed of the 25 kg mass ... The average impact force is then simply 2400 · 7.5 / 0.2 = 90 kN. Thus, we can see it was the same incident described in different measures. Just out of curiosity we can increase the car's velocity to 54 km/h (15 m/s) while keeping everything else the same and we now get twice the force: 180 kN and a peak at 320 kN. 4. A 50 kg mass is raised by a machine to a height of 20 m. (a) Calculate the work output of the machine. (b) If the machine is only 78% efficient, calculate the work input of the machine. (9.8kJ, 12.6 kJ) 5. 5How much work does a 400 watt motor do in 5.0 min? (1.2 x10 J) 6. A pump raises 30 liters of water per minute from a depth of 100 m.Dec 30, 2015 · mass = 50kg time taken = 30 sec steps =30 each height =20cm =0.2m so, the total height = 6m now, power =work / time ... (1) work = force * distance ... (2) and force = weight = mg = 50kg * 10m/s² = 500 N ... (3) now, putting the value of (2) and (3) in (1) power = 500 * 6 / 30 power = 3000 / 30 ∴power = 100 W Advertisement Still have questions? Connor (m=76.0 kg) is competing in the state diving championship. He leaves the springboard from a height of 3.00 m above the water surface with a speed of 5.94 m/s in the upward direction. a. Determine Connor's speed when he strikes the water. b. Connor's body plunges to a depth of 2.15 m below the water surface before stopping. When jogging at 13 km/h on a level surface, a 70-kg man uses energy at a rate of approximately 850 W. Using the facts that the "human engine" is approximately 25 efficient, determine the rate at which this man uses energy when jogging up a 5.0 slope at this same speed. Assume that the frictional retarding force is the same in both cases.An elevator winch can lift 1927 kg to a height of 18.5 m in 19.8 s. ... What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit of a hill of height 405 ...The amount of work done by a force to displace an object is found from the equation W = F*d*cos (Theta) The force required to raise the car at constant speed is equivalent to the weight (m*g) of the car. Since the 2400-kg car weighs 2X as much as the 1200-kg car, it would require twice as much work to lift it the same distance. Useful Web LinksMay 18, 2022 · Find the mass of the object. For example, we can measure the kinetic energy of a bicycle & bicyclist. Let's say the cyclist has a mass of 50 kg, and the cycle has a mass of 20 kg, for a total mass m of 70 kg. We can now treat them as one 70 kg object, since they'll be traveling together at the same speed. [4] 2022/03/07 10:23 30 years old level / An office worker / A public employee / Useful / Purpose of use Checking whether the distance from the sun as inferred from Hesiod's Theogeny, where he indicates that heaven and the sun are about the same distance from the earth, and that if an anvil fell from heaven it would reach earth in nine days and ... Click here👆to get an answer to your question ️ A boy of mass 50 kg runs up a staircase of 45 steps in 9 s. If the height of each step is 15 cm, fimd his power. Take g = 10ms^- 2 . ... man weighing 60 kg climbs up a staircase carrying a load of 20 kg on his head.The staircase has 20 steps each of ht 0.2 m. If he takes 10 s to climb. Find ...Dapatkan bantuan. Pakar-pakar di komunitas kami termasuk siswa-siswi, guru sekolah, Profesor, dan orang-orang jenius lainnya yang siap bantu menjawab pertanyaanmu. Takamori37. verified. verified. Vektor proyeksi ortogonal vektor b pada vektor a dinotasikan dengan: Dengan menentukan masing-masing unsur: Serta: Diperoleh hasil akhir:Calculate the power output needed for a 950-kg car to climb a [latex] 2.00\text{°} [/latex] slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N. A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. How much work is done by the boy pulling his sister 30.0 m in a wagon as shown in Figure 7.36? No friction acts on the wagon. ... to the generators of a lake of volume 50.0 km3 (mass = 5.00×1013 kg) , given that the lake has an ... Calculate the power output needed for a 950-kg car to climb a 2.00° slope at a constant1.50. A boat of mass 100 kg and length 3 m is at rest in still water. A boy of mass 50 kg walks from the bow to the stern. Find the distance through which the boat moves. 1.51 At one end of the rod of length L, a body whose mass is twice that of the rod is attached. A lawn bowls ball has a mass of about m=1.5 kg and a radius of about R=6 cm=0.06 m. To get the equations of motion for the x and y motions, we first need expressions for D and W . The rolling friction may be expressed as D=-μmg where μ is the coefficient of rolling friction and mg is the weight of the ball.(a) Calculate the magnitude of the force needed to stop the downward motion of a jogger's leg, if his leg has a mass of 13.0 kg, a speed of 6.00 m/s, and stops in a distance of 1.50 cm. (Be certain to include the weight of the 75.0-kg jogger's body.) (b) Compare this force with the weight of the jogger.Connor (m=76.0 kg) is competing in the state diving championship. He leaves the springboard from a height of 3.00 m above the water surface with a speed of 5.94 m/s in the upward direction. a. Determine Connor's speed when he strikes the water. b. Connor's body plunges to a depth of 2.15 m below the water surface before stopping. Sperry Road Campground is CLOSED for renovations. Camping at Mount Greylock $8/night for Massachusetts residents and $20/night for non-residents. Group camping is $35/night for Massachusetts residents and $100/night for non-residents. A man weighing 8 0 k g climbs a staircase with a load of 2 5 k g in his hand, the staircase has 2 5 steps and each step has a height of 2 0 c m. If the climbs the staircase in 1 5 s , find the power ( g = 9 . 8 m / s 2 ) ( 3 4 3 W ) (a) Calculate the magnitude of the force needed to stop the downward motion of a jogger’s leg, if his leg has a mass of 13.0 kg, a speed of 6.00 m/s, and stops in a distance of 1.50 cm. (Be certain to include the weight of the 75.0-kg jogger’s body.) (b) Compare this force with the weight of the jogger. Mar 20, 2021 · A rubber ball of mass 50 gm falls from a height of 1 m and rebounds to a height of 0.5 in. Finds the impulse and average force between the ball and the ground if the time for which they are in contact is 0.1 s. Answer: m = mass of ball = 50gm = \(\frac{50}{1000}=\frac{1}{20}\) kg, J =?. F =? Case I: u = initial velocity of ball = O Click here👆to get an answer to your question ️ 25. An athlete of mass 60 kg skips at the rate of 20 steps per minute through an average height of 25 cm. The power de- veloped is a. 98 W b.49 W c. 14 W d. 21 W ditance of The refrigerator has to go up a 30-degree ramp that happens to have a static coefficient of friction with the refrigerator of 0.20 and a kinetic coefficient of friction of 0.15. The good news is that you have two friends to help you move the fridge. The bad news is that you can supply only 350 newtons of force each, so your friends panic.m = mass. v = velocity. The Momentum Calculator uses the formula p=mv, or momentum (p) is equal to mass (m) times velocity (v). The calculator can use any two of the values to calculate the third. Along with values, enter the known units of measure for each and this calculator will convert among units. One of them is adding 2.5 inches (7.6 cm) to the average of the parent's height for a boy and subtracting 2.5 inches (7.6 cm) for a girl. The second calculator above is based on this method. Another simple method is to double the height achieved by the child by age 2 for a boy, or age 18 months for a girl. How to get taller? (a) Calculate the magnitude of the force needed to stop the downward motion of a jogger’s leg, if his leg has a mass of 13.0 kg, a speed of 6.00 m/s, and stops in a distance of 1.50 cm. (Be certain to include the weight of the 75.0-kg jogger’s body.) (b) Compare this force with the weight of the jogger. 1.50. A boat of mass 100 kg and length 3 m is at rest in still water. A boy of mass 50 kg walks from the bow to the stern. Find the distance through which the boat moves. 1.51 At one end of the rod of length L, a body whose mass is twice that of the rod is attached. Determine Anita's power rating during this portion of the climb. 8240 W. An elevator motor lifts 715 kg of mass to the height of the fourth floor of an office building (11.0 meters above ground level) at a constant speed in 9.35 seconds. ... A boy raises a 20 kg rock 2.3 meters. Calculate the amount of work that he does? 11.65 J. A physics book ...Approximate the work required lift a 2.5-kg object to a height of 6.0 meters. PSYW. Answer: ~150 J. The work done upon an object is found with the equation. W = F*d*cos (Theta) In this case, the d=6.0 m; the F=24.5 N (it takes 24.5 N of force to lift a 2.5-kg object; that's the weight of the object), and the angle between F and d (Theta) is 0 ... tg captiontelstra phones prepaidpsalm 28 7 kjvpallet of toys for sale X_1