A 5kg mass collides with a body at rest. After the collision, they travel together with a velocity one third the velocity of 5kg mass. The mass of the second body is

A 6 kg mass collides with a body at rest. After the collision, they travel together with a velocity one third the velocity of 6 kg mass. The mass of the second body is

A body of mass 5 kg makes an elastic collision with another body at rest and continues to move in the original direction after the collision with a velocity equal to 1//10^(th) of its original velocity. The mass of the second body is

A body of mass 2 kg makes an elastic head - on collision another body at rest and continues to move in the original direction with one fourth of its original speed . The mass of the second body which collides with the first body is

A body of mass 2 kg makes an elastic collision with another body at rest and contiues to move in the original direction with a speed equal to one thrid of its original speed. Find the mass of the second body.

A body of mass 1kg makes an elastic collision with another body at rest and continues to move in the original direction after collision with a velocity equal to (1)/(5) th of its original velocity. Find the mass of the second body.

A body of mass 2 kg, travelling at 4 m/s makes a head-on collision with a body of mass 1 kg travelling in the opposite direction with a velocity of 2 m/s, the velocities of the two bodies after collision are

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 body of mass 2 kg makes an elastic collision with another body at rest and continues to move in the original direction but with one - fourth its original speed . What is the mass of the body it collides with ?

A 6 kg mass travelling at 2.5 ms^(-1) collides head on with a stationary 4 kg mass. After the collision the 6kg mass travels in its original direction with a speed of 1 ms^(-1) . The final velocity of 4 kg mass is