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A balloon carring some sand is moving do...

A balloon carring some sand is moving down with a constant acceleration `a_(0)`. How much mass of sand should be removed, so that the balloon move up with same acceleration?

A

`(2ma)/(g+a)`

B

`(2ma)/(g-a)`

C

`(ma)/(g+a)`

D

`(ma)/(g-a)`

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The correct Answer is:
A
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