An object of mass 2.00 kg is held at a position A, a vertical height of 20.0 m above the ground. Point B is 8.00 m directly below A. Neglect air resistance and use g = 10.0 m/s².
(a) What is the speed of the object at position B when it falls from position A?
(b) What is the speed of the object just before it touches the ground?
(c) What is the ratio of the total energy of the object at position A to position B?

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The Answer of An object of mass 2.00 kg is held at a position A, a vertical height of 20.0 m above the ground. Point B is 8.00 m directly below A. Neglect air resistance and use g = 10.0 m/s². (a) What is the speed of the object at position B when it falls from position A? (b) What is the speed of the object just before it touches the ground? (c) What is the ratio of the total energy of the object at position A to position B?

An Object of Mass 2