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A body starts from rest from a point dis...

A body starts from rest from a point distant `r_(0)` from the centre of the earth. It reaches the surface of the earth whose radius is `R`. The velocity acquired by the body is

A

`GM_(e)(1/R_(0)-1/R_(0))`

B

`2GM_(2)(1/R_(e)-1/R_(e))`

C

`GM_(e)sqrt(1/R_(e)-1/R_(0))`

D

`sqrt(2gM_(e)(1/R_(e)-1/R_(0)))`

Text Solution

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The correct Answer is:
D
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