A) \[\frac{Ma}{(g+a)}\]
B) \[\frac{2Ma}{(g+a)}\]
C) \[\frac{M}{(g+a)}\]
D) Not possible
Correct Answer: B
Solution :
Let the retarding force acting on the balloon in vertically upward direction be F. When the balloon is descending down with acceleration a, its equation of motion can be givenYou need to login to perform this action.
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