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A 10 g bullet moving at 200 m/s stops af...

A 10 g bullet moving at 200 m/s stops after penetrating 5 cm of wooden plank. The average force exerted by the bullet will be

A

`2000`N

B

`-2000`N

C

`4000 `N

D

`-4000 `N

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The correct Answer is:
D
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