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JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

A ball of mass m moves with speed v and strikes a wall having infinite mass and it returns with the same speed. Then the work done by the ball on the wall is

Answer: (A)

Solution

The ball's speed (and hence its kinetic energy) is unchanged by the collision, so by the work-energy theorem the net work done on the

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Question ID VK-153863