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An aeroplane is moving with horizontal v...

An aeroplane is moving with horizontal velocity u at height h . The velocity of a packet dropped from it on the earth's surface will be ( g is acceleration due to gravity)

A

`sqrt(u^(2)+2gh)`

B

`sqrt(2gh)`

C

`2gh`

D

`sqrt(u^(2)-2gh)`

Text Solution

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The correct Answer is:
A
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