1.

A body starts falling under gravity from rest. When it loses a gravitational potential energy by u, its speed is v. The mass of the body will beA. `(2U)/(V)`B. `(U)/(2V)`C. `(2U)/(V^(2))`D. `(U)/(2V^(2))`

Answer» Correct Answer - C
`U=(1)/(2)MV^(2)`
`M=(2U)/(V^(2))`


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