A ball of mass 'm' moving with a speed 2v strikes a heavy wall elastically, which is moved with a velocity 'v'. The work done by the heavy wall on the ball is

A ball of mass 'm' moving with a speed 2v strikes a heavy wall elastic

1.	A ball of mass 'm' moving with a speed 2v strikes a heavy wall elastically, which is moved with a velocity 'v'. The work done by the heavy wall on the ball is
Answer» `(1)/(2) MV^(2)` `mv^(2)` `2MV^(2)` None Answer :C