engineering recuitment BEL Probationary Engineers Mock Test 2025 Engineering Mechanics Law of Motion
A bullet a mass m kg is fired horizontally with a velocity v m/s from a pistol of mass M kg. The recoil velocity of the pistol is
1
(m/M)v m/s
2
-(m/M)v m/s
3
v m/s
4
-(M/m)v m/s