A car of mass 1000 kg moving with a speed of `30 m//s` collides with the back of a stationery lorry of mass 9000 kg. Calculate the speed of the vehichles immediately after the collision if they remain jammed together.

A block of mass 1 kg moving with a speed of 4 ms^(-1) , collides with another block of mass 2 kg which is at rest. The lighter block comes to rest after collision. The loss in KE of the system is

A block of mass 1 kg moving with a speed of 4 ms^(-1) , collides with another block of mass 2 kg which is at rest. If the lighter block comes to rest after collision, then the speed of the heavier body is

A ball of mass 5 kg moving with speed 8 m/s collides head on with another stationary ball of mass 15 kg. If collision is perfecty inelastic, then loss in kinetic energy is

A ball of mass 5 kg moving with speed 8 m/s collides head on with another stationary ball of mass 15 kg. If collision is perfectly inelastic, then loss in kinetic energ is

A metal ball of mass 2 kg moving with speed of 36 Km//h has a collision with a stationary ball of mass 3 kg . If ater collision, both the ball move together, the loss in Kinetic energy due to collision is :

A truck of mass 1000 kg moving with a speed of 72 km/hr collides with a stationary truck of the same mass . After the collision , the trucks get stick together and move . Calculate their common speed after collision . Is it elastic or ineleastic collision ?

A mass of 20 kg moving with a speed of 10 m / s collides with another stationary mass of . 5kg As a result of the collision, the two masses stick together. The kinetic energy of the composite mass will be

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 ?