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The escape velocity of a sphere of mass ...

The escape velocity of a sphere of mass m is given by (G= univesal gravitational constant, `M_(e) =` mass of the earth and `R_(e) =` radius of the earth)

A

`sqrt((GM_(e))/(R_(e)))`

B

`sqrt((2GM_(e))/(R_(e)))`

C

`sqrt((2Gm)/(R_(e)))`

D

`(GM_(e))/(R_(e)^(2))`

Text Solution

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The correct Answer is:
B
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