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JEE Mains Model Paper 14

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Question : 14

Total: 90

A man of mass M stands at one end of a plank of length L which lies at rest on a frictionless surface. The man walks to the other end of the park. If the mass of the plank is M/3, the distance that the man moves relative to the ground is

3L
4
4L
5
L
4
L
3

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