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A body A is n times heavier than body B. They are dropped from the same height. What is theratio of their moment just before they hit the



If there is no air resistance, then both the bodies will hit the round at the same time. 
Ratio= 1:1
But in the presence of air resistance, A hits the ground faster
ratio= n:1

1 5 1
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Mass of body B = m
Mass of body A = nm
Height from which they are dropped = h
their velocity just before hitting ground = √2gh

momentum of A = nm√2gh
momentum of B = m√2gh

Ratio =  \frac{nm \sqrt{2gh} }{m \sqrt{2gh} } = n
4 5 4
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