A 2-kg block is thrown upward from a point 20 m above Earth’s surface. At what height above Earth’s surface will the gravitational potential energy of the Earth-block system have increased by 500 J

Q: A 0.30-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well…

A: Dear student The Gravitational Potential Energy is given as : U = mgh Where m = mass g = 9.8 m/s2 h…

Q: A child of mass m = 23 kg slides down a slide of height h = 2.7 m without friction. Let…

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Q: Consider a system of a cliff diver and the Earth. The gravitational potential energy of the system…

A: Given that gravitational potential energy of the system decreases by 26,000 J so that PE=26000 J…

Q: A roller coaster of mass 50 kg is moving with a speed of 10 m/s at position A as shown in the figure…

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Q: A 5.5 g marble is fired vertically upward using a spring gun. The spring must be compressed 8.0 cm…

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Q: A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two…

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Q: A 32 kg bear slides, from rest, 8.4 m down a lodgepole pine tree, moving with a speed of 4.3 m/s…

A: a) We know ∆P.E.=mg∆h=32×9.81×8.4i.e.∆P.E.=2636.93 J  b) K.E.=12mv2=12×32×4.32i.e.K.E.=295.84 J

Q: A rock falls from a vertical cliff that is 4.0 m tall and experiences no significant air resistance…

A: Given that,Height : h = 4 (m)Here we need to find the speed car :Now,As we know that,The speed at…

Q: determine the final speed of the box (in m/s) after sliding across the rough section of fl

A: Decrease in kinetic energy is equal to the work done by friction. Ki-Kf=Wf Here Ki is the initial…

Q: A 2-kg block is thrown upward from a point 20 m above Earth's surface. At what height above Earth's…

A: Given that,Mass of block : m = 2 (kg)Height : h1 = 20 (m)Change in gravitational potntial energy :…

Q: A 0.500-kg particle has a speed of 1.40 m/s at point circled A and kinetic energy of 7.60 J at point…

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Q: A man lifts a 12 kg bucket of water at constant speed, from the bottom of a hole that is 17m deep.…

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Q: A 900 kg roller coaster car starts at point A, then travels 125 ft at 40.0° below the horizontal to…

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Q: Spiderman, whose mass is 78.0 kg, is dangling on the free end of a 12.4-m-long rope, the other end…

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Q: The figure shows an 8.4 kg stone at rest on a spring. The spring is compressed 10 cm by the stone.…

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Q: A 0.34-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.1 J at point B. (a)…

A: Mass of the particle m=0.34 kg Speed of the particle at point A ,vA=3.0 m/s The kinetic energy at…

Q: In a simple pendulum, energy is stored by lifting the pendulum some height "h" away from the pull of…

A: solution is given by

Q: A box of unknown mass is sliding with an initial speed v₁ = 4.30 m/s across a horizontal…

A: Intial velocity of box = 4.3m/s Rough section of floor=2.8m Coefficient of kinetic friction=0.1 Let…

Q: An object with an initial potential energy of 40 J is dropped from rest. After a while, its…

A: Initial potential energy is PEinitial = 40 J Potential energy after a while is PEfinal = 10 J…

Q: 18. A 25 kg bear slides, from rest, 12 m down a lodgepole pine tree, moving with a speed of 5.6 m/s…

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Q: At a post office, a package of mass 1.3 kg is pushed down a slanted chute with an initial speed of…

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Q: 38 kg bear slides, from rest, 12 m down a lodgepole pine tree, moving with a speed of 5.1 m/s just…

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Q: A 0.27-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well…

A: The gravitational potential energy of an object of mass m at a height h above the reference point

Q: A 0.59-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 8.5 J at point B. (a)…

A: Given Data:- The mass of the particle is m = 0.59 kg. The speed of the particle at point A is vA =…

Q: A 0.25-kg stone is held 1.4 m above the top edge of a water well and then dropped into it. The well…

A: Consider mass(m) is dropped from height(h1) into the well of depth(h2).

Q: A mass is attached to the bottom of a vertical spring. Thiscauses the spring to stretch and the mass…

A: When a mass is attached to the bottom of the vertical spring, explain; (a) What happens to the…

Q: When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his…

A: Given: mass of adult person, M = 81 kg mass of child, m = 18 kg  change in gravitational potential…

Q: A tennis ball of mass m = 0.091kg is thrown straight up with an initial speed v_{0} = 14m / s Let…

A: Given:intial velocity, v0 = 14 m/sfinal velocity, vf = 0 m/smass, m = 0.091 kg…

Q: A 0.19-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well…

A: (a) The gravitational potential energy of the stone-Earth system before the stone is released is

Q: In a simulation on Earth, an astronaut in his space suit climbs up a vertical ladder. On the Moon,…

A: The gravitational potential energy can be written as,                   Gravitational Potential…

Q: A 1 000-kg roller coaster car is initially at the top of a rise, at point Ⓐ. It then moves 135 ft,…

A: Given data: Mass of the coaster car is, m = 1000 kg The initial position of the car is at point A YA…

Q: A four-horse carriage is accelerating by 6 m/s every three (3) seconds, carrying a total load…

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Q: A rock falls from a vertical cliff that is 4.0 m tall and experiences no significant air resistance…

A: The gravitational potential of an object of mass m at a height h above the surface is given by…

Q: An object of mass m = 5.0 kg is moving along a horizontal, frictionless surface with a speed vo =…

A: Given values:- mass of object,(m)=5 kg -----(1) speed,(v0)=6 m/sec -----(2) spring constant,(k)=500…