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Physics Question on Acceleration

A balloon with mass 'm' is descending down with an acceleration 'a' (where a <g). How much mass should be removed from it so that it starts moving up with an acceleration 'a'?

A

2mag−a\frac{2ma}{g-a}

B

mag+a\frac{ma}{g+a}

C

mag−a\frac{ma}{g-a}

D

2mag+a\frac{2ma}{g+a}

Answer

2mag+a\frac{2ma}{g+a}

Explanation

Solution

The correct option (D): 2mag+a\frac{2ma}{g+a}