A boat of mass `50kg` is at rest. A dog of mass `5kg` moves in the boat with a velocity of `20m//s`. What is the velocity of boat?

A boat of mass 40kg is at rest. A dog of mass 4kg moves in the boat with a velocity of 10m//s . What is the velocity of boat (nearly)?

A person weighing 60kg In a small boat of mass 140 kg which is at rest, throws a 5 kg stone in the horizontal direction with a velocity of 14m//s^(-1) . The velocity of the boat immediately after the throw is (in m//s )

A girl of mass 50 kg jumps out of a rowing boat of mass 300 kg on to the bank, with a horizontal velocity of 3 m/s. With what velocity does the boat begin to move backwards ?

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 -

From a rifle of mass 4kg , a bullet of mass 50kg is fired with an initial velocity of 35m//s . Calculate the initial recoil velocity of the rifle.

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 bomb of mass 12 kg explodes into two pieces of masses 4 kg and 8 kg. The velocity of mass 4 kg is 20 m/s. Find the velocity of mass 8 kg.

A bomb of mass 12 kg explodes into two piece of masess 4 kg and 8kg . The velocity of mass 4 kg is 20 m/s . Find the velocity of mass 8 kg

A person P of mass 50 kg stands at the middle of a boat of mass 100 kg moving at a constant velocity 10 m/s with no friction between water and boat and also the engine of the boat is shut off. With what velocity (relative to the boat surface) should the person move so that the boat comes to rest. Neglect friction between water and boat.