A gum (mass=M) fires a bullet  (mass=m) with speed `v_r` relative to barrel of the
Channel: Doubtnut
Date: 12/07/2020

A gum (mass=M) fires a bullet  (mass=m) with speed `v_r` relative to barrel of the gum which is inclined at an anlge of `60^@` with horizontal. The gun is placed over a smooth horizontal surface. Find the recoil speed of gun.