A person of mass mis standing on one end of a plank of mass Mand len

1.	A person of mass mis standing on one end of a plank of mass Mand length L floating in water. The personmoves from one end to another and stops. Workdone by normal force is -(1) MGL(2) mgL(3)mMgLM + m(4) 0
Answer» Explanation: The MAN is on the other side of CENTER of mass now, and ... ACCORDING to law of CONSERVATION of momentum mv = (m + M)V or mL/t = (M + m) x (x/t) where t is time of motion x = mL/(m+M)

A person of mass mis standing on one end of a plank of mass Mand length L floating in water. The personmoves from one end to another and stops. Workdone by normal force is -(1) MGL(2) mgL(3)mMgLM + m(4) 0

Answer»

Explanation:

The MAN is on the other side of CENTER of mass now, and ...

ACCORDING to law of CONSERVATION of momentum mv = (m + M)V

or mL/t = (M + m) x (x/t)

where t is time of motion x = mL/(m+M)

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A person of mass mis standing on one end of a plank of mass Mand length L floating in water. The personmoves from one end to another and stops. Workdone by normal force is -(1) MGL(2) mgL(3)mMgLM + m(4) 0​

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A person of mass mis standing on one end of a plank of mass Mand length L floating in water. The personmoves from one end to another and stops. Workdone by normal force is -(1) MGL(2) mgL(3)mMgLM + m(4) 0