1.

A baloon of mass M is stationary in air. It has a ladder on which a man of mass mis standing. If the man starts climbing up the ladder with a velocity v relative to ladder, the velocity of balloon is

Answer»

`(m)/(M)` V UPWARDS
`(MV)/((M+m))` DOWNWARDS
`(mv)/((M+m))` upwards
`(Mv)/((M+m))` downwards

Answer :B


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