Question

A bullet of mass 100 gram is fired from a rifle of mass 20 kg with a speed of 50 m/s. Calculate the velocity of recoil of rifle. *


​

Answer 1

$\boxed{\bf{\blue{\longrightarrow Answer:}}}$

• m1v1 = - m2v2
• 0.1 × 50 = - 20 × v2
• v2 = -5/20
• v2 = -0.25 m/s