The radius of the earth is 6.38 xx10^8 c...

The radius of the earth is `6.38 xx10^8` cm. its mean density is `5.5 g*cm ^(-3)` and the universal gravitational constant is `6.67xx10^(-8)` CGS unit. What is the gravitational potential at any point on the earth's surface ?

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The correct Answer is:

`-62.27xx10^(10) erg*g^(-1)`

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