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Determine the gravitational potential on the surface of earth, given that radius of the earth is `6.4 xx 10^(6) m`: its mean density is `5.5 xx 10^(3)kg m^(-3) , G = 6.67 xx 10^(-11) Nm^(2) kg^(-2)`.

Text Solution

Verified by Experts

The correct Answer is:
`-(4)/(3)piG 5.5 xx 10^(3) xx (6.4 xx 10^(6))^(2) J//Kg`
`=6.3 xx 10^(7) J//kg` .
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