A wagon weighing 1000 kg is moving with a velocity 50 `km//h` on smooth horizontal rails. A mass of 250 kg is dropped into it. The velocity with which it moves now is

A truck weighing 1000 kg is moving with velocity of 50 km/h on smooth horizontal roads. A mass of 250 kg is dropped into it. The velocity with which it moves now is

A car of mass 800 kg is moving with a constant velocity 40 km/h . Find the net force on it.

A car of mass 800 kg is moving with a constant velocity 40 km/h. Find the net force on it.

A car of mass 800 kg is moving with a constant velocity 40 km/h . Find the net force on it.

A car of mass 800 kg is moving with a constant velocity 40 km/h. Find the net force on it.

A boat of mass 1000 kg is moving with a velocity of 5 m//s. A person of mass 60 kg jumps into the boat. The velocity of the boat with the person will be -

A man weighing 60kg runs along the rails with a velocity of 18km//h and jumps into a car of mass 10 quintal standing on the rails. Calculate the velocity with which the car will start travelling on the rails .

A man weighing 60kg runs along the rails with a velocity of 8km//h and jumps into a car of mass 1 quintal standing on the rails. Calculaate the velocity with which car will start travelling along the rails.