4. By virtue to its position, the Potential Energy possessed by a 227 kg of water at the top of a waterfall is 114,567 J. How high is the waterfall from the surface or river?

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A: A half pipe is a semicircular arc used for snowboarding. Both ends have same height. We are given…

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Q: 1. The figure below shows a plot of potential energy U versus position x of a 0.25 kg particle that…

A: From the potential energy vs position graph, the potential energy of the particle at x=8 m is UD=9…

Q: Q.4. A block of mass m = 0.25 kg is dropped onto a relaxed vertical spring of spring constant k =…

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Q: 3. Assuming that there are no heat effects and no frictional effects, find the kinetic energy and…

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Q: 4. An 8000 kg roller coaster, traveling along the frictionless track shown, has velocity v, = 30…

A: As per our policy, we shall answer the first 3 subparts. Kindly submit the other parts as fresh…

Q: How much work must be done on a heavy object to lower it from a height where it has 4000 Jof GPE to…

A: Initial gravitational potential energy = 4000 J Final gravitational potential energy = 2200 J…

Q: 4. A 73 kg skier starts at rest at the top of a 100 m high hill. He skies down this hill and back up…

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Q: At the local playground, a child on a swing has a speed of 2.22 m/s when the swing is at its lowest…

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Q: You and your friend, who weighs the same as you, want to go to the top of the Eiffel Tower. Your…

A: The gravitational potential energy(U) of a body mathematically can be given as, U = mgh, where m is…

Q: object of mass 3 kg is dropped from the roof of a two-storey house and reaches the ground with a…

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Q: 4) A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

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Q: 15. A child with a weight of 400 N sits in a playground swing. The swing is attached to a pair of…

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Q: A 0.5 kg ball is thrown from the top of a 20 m high balcony at an angle of 45° and with a speed of…

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Q: A 62kg basketball player performs a vertical jump of 0.39m. Use the work/energy approach to…

A: Given data, Mass m=62 kg Height h=0.39 m Find: The athlete's take-off velocity, v=?

Q: The work necessary to stretch a spring trom 9 in to 10 in is times the work necessary to stretch it…

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Q: If you want to jump as high as possible, it’s best to move downward quickly to a deep crouch,…

A: Crouch position is a position which is taken by an sprinter before sprinting off. As, it provide…

Q: Which of the following statements is true? A ball moves in a uniform circular motion, the work done…

A: The standard expression for the work done due to centripetal force (F) acting on an object moving…

Q: A 20.0-kg child descends a slide 1.90 m high and reaches the bottom with a speed of 1.35 m/s . a)…

A: As we know, Kinetic energy (KE) = 1/2 mv2  --------(1) where m is the mass of a child and v is…