A balloon mass M is descending at a constant acceleration α. When a mass m is released from the balloon. It starts rising with the same acceleration α. What is the value of m?
A
αα+gM
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B
2αα+gM
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C
α+gαM
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D
α+g2αM
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Solution
The correct option is B
2αα+gM
Mg−F=Ma....(1)F−(M−m)g=(M−m)a....(2)From (1) and (2)m=[2αα+g]M