Answer:
Here,
According to the law of conservation of momentum (1)
On substituting given values, we get
or
Negative sign indicates that the direction in which the rifle
would move is opposite to that of the bullet.
(1)
The initial and final momentum of the rifle is 0 and ?3 kg
m/s and this change in momentum takes place in 0.003 s. Therefore, the rate of
change of momentum or the force experience by the rifle due to its recoil would
be
The person firing the bullet, therefore, would
experience a force of 1000 N in the backward
direction due to the recoil of the rifle. (1)
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