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A rope thrown over a pulley has ladder (...

A rope thrown over a pulley has ladder (of mass M - m) with a man of mass m on one of its ends and a counterbalancing mass M on its other end The man climbs with a velocity `v_(r )` relative to a ladder. Pulley and rope are ideal. The velocity of centre of mass of the system is

A

`(m)/(M)v_(r )`

B

`(m)/(2M)v_(r )`

C

`(M)/(m) v_(r )`

D

`(2M)/(m)v_(r)`

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The correct Answer is:
B
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  1. A rope thrown over a pulley has ladder (of mass M - m) with a man of m...

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