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A bullet of mass 20 g has an initial spe...

A bullet of mass 20 g has an initial speed of `1 ms^(-1)` just before it starts penetrating a mud wall of thickness 20 cm. If the wall offers a mean resistance of `2.5 xx 10^(-2)N` the speed of the bullet after emerging from the other side of the wall is close to:

A

`0.7 ms^(-1)`

B

`0.3 ms^(-1)`

C

`0.1 ms^(-1)`

D

`0.4 ms^(-1)`

Text Solution

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The correct Answer is:
A
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