A boy of mass `60 kg` running at `3//s` jumps on to a trolley of mass `140 kg ` moving with a velocity of `1.5m//s` in the same direction . What is their common velocity?

A ball of mass 4 kg moving with a velocity of 12 m//s impinges directly on another ball of mass 8 kg moving with velocity of 4 m//s in the same direction. Find their velocities after impact and calculate the loss of KE due to impact if e =0.5 .

A ball of mass 4 kg moving with a velocity of 12 m//s impinges directly on another ball of mass 8 kg moving with velocity of 4 m//s in the same direction. Find their velocities after impact and calculate the loss of KE due to impact if e =0.5 .

A body of mass 2 kg moving with a velocity 3 m//s collides with a body of mass 1 kg moving with a velocity of 4 m//s in opposite direction. If the collision is head on and completely inelastic, then

A body of mass 2 kg moving with a velocity 3 m//s collides with a body of mass 1 kg moving with a velocity of 4 m//s in opposite direction. If the collision is head on and completely inelastic, then

A boy of mass 50 kg running at 5 m/s jumps on to a 20 kg trolley travelling in the same direction at 1.5 m/s. What is their common velocity ?

A boy of mass 50 kg running at 5ms^-1 jumping a trolly of 20 kg travelling in the same direction 1.5 ms^-1 . Find their common velocity.

A truck of mass 500 kg moving at 4 m/s collides with another truck of mass 1500 kg moving in the same direction at 2 m/s. What is their common velocity just after the collision if they move off together ?

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

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

A ball of mass 5 kg moving velocity 3m//s impinges direction on another ball of mass 2 kg moving with velocity 0.5m//s towards the first ball. Find the velocity after impact, if e=(4)/(7)