A body of mass 6 kg travelling with a velocity 10 m/s collides head - on and elastically with a body of mass 4 kg travelling at a speed 5 m/s in opposite direction. The velocity of the second body after the collision is

A body of mass 6 kg travelling with a velocity 10 m/s collides head -

1.	A body of mass 6 kg travelling with a velocity 10 m/s collides head - on and elastically with a body of mass 4 kg travelling at a speed 5 m/s in opposite direction. The velocity of the second body after the collision is
Answer» 0 m/s. 6 m/s 8 m/s `13 MS^(-1)` Answer :D