A bullet of mass 20 g has an initial speed of 1 
just before it starts penetrating a mud wall of thickness 20cm. If the wall offers a mean resistance of 
, the speed of the bullet after emerging from the other side of the wall is close to:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
From the third equation of motion
But, 
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