A 1kg ball moving at 12ms^(-1) collides headon with a 2kg ball moving in the opposite direction at 24 m/s. If the coefficient of restitution is 2/3,then the energy lost in the collision is

A 1kg ball moving at 12ms^(-1) collides headon with a 2kg ball moving

1.	A 1kg ball moving at 12ms^(-1) collides headon with a 2kg ball moving in the opposite direction at 24 m/s. If the coefficient of restitution is 2/3,then the energy lost in the collision is
Answer» 60J 120 J 240 J 480 J Answer :C