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An aeroplane is moving with a velocity u...

An aeroplane is moving with a velocity u. It drops a packet from a height h. The time t taken by the packet in reaching the ground will be

A

`sqrt((2g)/(h))`

B

`sqrt((2u)/(g))`

C

`sqrt((h)/(g))`

D

`sqrt((2h)/(g))`

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