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Escape velocity for a projectile at eart...

Escape velocity for a projectile at earth's surface is `V_(e)`. A body is projected form earth's surface with velocity `2 V_(e)`. The velocity of the when it is at infinite distance from the centre of the earth is :-

A

`V_(e)`

B

`2V_(e)`

C

`sqrt(2) V_(e)`

D

`sqrt(3) V_(e)`

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The correct Answer is:
D
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