Question: A body is falling under gravity. When it loses a gravita- tional potential energy by U, its speed is v. The mass of the

A body is falling under gravity. When it loses a gravita- tional

A body is falling under gravity. When it loses a gravita- tional potential energy by U, its speed is v. The mass of the body shall be - (a) 2U V (b) U 2v 2U (c)- U (d) 21

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