A man of mass M stands at one end of a stationary plank of length L, lying on a smooth
Channel: Doubtnut
Date: 2020-07-12

A man of mass M stands at one end of a stationary plank of length L, lying on a smooth surface. The man walks to the other end of the plank. If the mass of the plank is `M//3`, the distance that the man moves relative to the ground is