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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 8 - COM, Momentum and Collision > A man of mass m moves with a constant speed on a plank of mass M and length l kept initially at rest on a frictionless horizontal surface, from one end to the other in time t. The speed of the plank relative to ground while man is moving, is

A man of mass m moves with a constant speed on a plank of mass M and length l kept initially at rest on a frictionless horizontal surface, from one end to the other in time t. The speed of the plank relative to ground while man is moving, is

A man of mass m moves with a constant speed on a plank of mass M and length l kept initially at rest on a frictionless horizontal surface from one end to the other in time t. The speed of the plank relative to ground while man is moving is