Question

from a rifle of mass 4kg, A bullet of mass 50 G is fired with an initial velocity of 35 m s - 1 calculate the initial recoil velocity of the rifle

Answer 1

Since no external force acts on the rifle, the change in momentum is zero.

Momentum of rifle = Momentum of bullet.

4 x V = 0.050 x 35

V = 0.44 m/s.

Answer 2

here is your answer :