Plz solve 3rd ques.
Q.3. A bullet of mass 50 g is fired horizontally with a speed of 540 km/h from a gun of mass 5 kg. The recoil speed of the gun is
(1) 5.4 m/s
(2) 1.5 m/s
(3) 1.5 km/h
(4) 5400 km/h