1.

A man of mass m starts moving on a plank of mass M with constant velocity v with respect toplank. If the plank lies on a smooth horizontalsurface, then velocity of plank with respect toground is. With appropriate explaination.​

Answer»

mv÷M+mExplanation:let us consider small block is moving with velocity x and plank with velocity y.the velocity of block with respective plank means imagine u r a plank and u r OBSERVING that block's SPEED then u must STOP u r self that u will observe it's speed as x+y. that is given as V.then V=x+y.net force acting on horizontal direction is zero that u can conserve movementum along x direction. mx=My , now we have two equeations and solve and GET y . that u asked.if u like it follow me on insta palli _sai _nithin . please



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