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Displacement of COM:Application

A soldier fir...

Question

A soldier fires a bullet of mass 50 g with a velocity 100 m/S, then find the recoil speed of gun whose mass is 20 kg.

A

25 m/s

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B

1 m/s

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C

10 m/s

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D

0.25 m/s

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Solution

The correct option is D 0.25 m/s

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