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

A 2 kg ball , moving at 10 m//s , collides head - on with a 3 kg ball moving in the opposite direction at 20 m//s . If the coefficient of restitution is 1//3 , then the energy lost in the collision is

A 1 kg ball moving with a speed of 6" ms"^(-1) collides head - on with a 0.5 kg ball moving in the opposite direction with a speed of 9" ms"^(-1) . If the coefficient of restitution is (1)/(3) , the energy lost in the collision is

2kg ball moving at 6ms^(-1) collides head on with a 3kg ball moving in the opposite direction at 12m/s .The velocity of each ball after the impact, if the coefficient of restitution is 1/2, is ?

A 1 kg ball moving at 12 m//s collides head on with a 2g 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 ball moving with velocity 2 ms^(-1) collides head on with another stationary ball of double the mass. If the coefficient of restitution is 0.5 , then their velocities (in ms^(-1) ) after colllision will be

A ball of mass 2kg moving with speed 5m/s collides directly with another ball of mass 3kg moving in the same direction with speed 4m/s. The coefficient os restitution is 2/3. Find the velocities of both ball after the collision.

A body of mass 1 kg moving with velocity 5 m/s collides with another body of mass 2 kg moving with velocity 1.5 m/s in opposite direction. If the coefficient of restitution is 0.8, their velocities aftter collision respectively are