A 1kg ball moving at 12 ms−1 collides head on with a 2kg ball moving in the opposite direction at 24 m/s . The velocity of each ball after the impact, if the coefficient of restitution is 2/3, is
A 1kg ball moving at collides head on with a 2kg ball moving in the opposite direction at . The velocity of each ball after the impact, if the coefficient of restitution is 2/3, is