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The earth is assumed to be a sphere of r...

The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The escape velocity of a body from this platform is `fv_(e)`, where `v_(e)` is its escape velocity from the surface of the earth. The value of f is

A

`(1)/(sqrt(2))`

B

`(1)/(3)`

C

`(1)/(2)`

D

`sqrt(2)`

Text Solution

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The correct Answer is:
A
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