A body of mass 2 kg moving with a velocity of 3m/s towards left collides head on elastic collision with another ball of same mass approaching it with velocity 2v the velocities of two balls after collision would be respectively
Answers
Answered by
0
By law of conservation of momentum
2×3+2×2(3)=(2+2)v
18=4v
v=4.5m/s
Similar questions