Question

A bullet of mass 20g is fired horizontally with velocity 100 m/s from a pistol of mass 1.5kg calculate the recoil velocity of the pistol ?

Answer 1

Recoil velocity of pistol is calculated as
v = mu / M
= (20 × 10^-3 × 100) / 1.5
= 1.3 m/s

Recoil velocity of pistol is 1.3 m/s