A body having $5 k g$ mass is travelling with a certain velocity and has $10 k g m / s$ momentum. What will be its kinetic energy?

50 J

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100 J

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10 J

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2 J

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Solution

The correct option is C
10 J

$K i n e t i c E n e r g y = \frac{({M o m e m t u m}^{2})}{2 \times M a s s} = \frac{100}{10} = 10 J$

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Similar questions

A body having 5 kg mass is traveling with a certain velocity and has $10 k g m s^{- 1}$ momentum. What will be its kinetic energy?

10 k g

20 k g m s^{- 1}

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