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A body is at a heighyt equal to the radi...

A body is at a heighyt equal to the radius of the earth from the surface of the earth. With what velocity be it thrown so that it goes out of the gravitational field of the earth? Given `M_(e)=6.0xx10^(24)`kg, `R_(e)=6.4xx10^(6)`m and `G=6.67xx10^(-11) Nm^(2) kg^(-2)`.

Text Solution

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The correct Answer is:
`7.9 kms^(-1)`
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