Question

from a rifle of mass 4kg, a bullet of mass 50g is fired with an initial velocity of 35m/s.then the initial velocity of the rifle is
Answer should come -7/16m/s​

Answer 1

Answer:

The initial velocity of the rifle would be zero as the rifle was in rest

Answer 2

This is a horrible question, you have given initial velocity, it is related to law of conservation of momentum