A body of mass ma collides against a wall with the velocity v and rebounds with the same speed. Its magnitude of change of momentum is

A body of mass m collides against a wall with the velocity v and rebounds with the same speed. Its magnitude of change of momentum is

A body of mass m collides against a wall with the velocity v and rebounds with the same speed. Its magnitude of change of momentum is

A body of mass ‘M’ collides against a wall with a velocity v and retraces its path with the same speed. The change in momentum is (take initial direction of velocity as positive)

A body of mass ‘M’ collides against a wall with a velocity v and retraces its path with the same speed. The change in momentum is (take initial direction of velocity as positive)

A ball of mass 'm' moves normal to a wall with a velocity 'u' and rebounde with the same speed. The change in momentum of the ball during the rebounding is

A ball of mass m collides with a wall with speed v and rebounds on the same line with the same speed. If the mass of the wall is taken as infinite, then the work done by the ball on the wall is

A ball of mass m collides with a wall with speed v and rebounds on the same line with the same speed. If the mass of the wall is taken as infinite, then the work done by the ball on the wall is