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P,Q and R are three balloons ascending...

P,Q and R are three balloons ascending with velocities and respectively. If stones of the same mass are dropped from each, when they are at the same height, then time taken to fall to the ground is least for the stone from balloon:

A

stone from P reaches the ground first

B

stone from Q reaches the ground first

C

stone from R reaches the ground first

D

all reach at same time

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The correct Answer is:
A
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