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A body starts from rest from a point R0 ...

A body starts from rest from a point `R_0` from the centre of the earth. The velocity acquired by the body when it reaches the surface of earth will be (R=radius of earth)

A

`2GM(1/R-1/R_0)`

B

`sqrt(2GM(1/R-1/R_0))`

C

`GM(1/R-1/R_0)`

D

`2GMsqrt(1/R-1/R_0)`

Text Solution

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The correct Answer is:
B
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