Question

A bullet of mass 10 g is fired with a rifle. The bullet takes 0.04 sec to move through the barrel and leaves it with a velocity of 400 m/s. Calculate the force exerted on the bullet by the rifle.

Answer 1

Explanation:

v=300 ms−1 ; 

u=0  ,

t=0.003 s ,

m=0.01 kg

Force exerted by the bullet on the rifle =timem(v−u)

F=1000 N

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