1.

A platform of mass m and counter weight of M + m (where, M = 3m) are connected by a light cord which passes over two smooth pulleys. A man of mass M is standing on the platform which is at rest. If the man leaps vertically upwards (and out of platform) with velocity 10 ms^(-1), find the distance through which the platform will descend ?

Answer»

1M
2M
3M
4m

Answer :C


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