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The radius of the earth is 6.37 xx 10^(6...

The radius of the earth is `6.37 xx 10^(6)` m and its mean density is `5.5 xx 10^(3) "kg m"^(-3)` and `G = 6.67 xx 10^(-11) "N-m"^(2) kg^(-2)` Find the gravitational potential on the surface of the earth.

Text Solution

Verified by Experts

The correct Answer is:
0.69 s
`F=momega^2x,pixx(0.008)^2xx "x" xx1000 xx9.8= 24 xx10^(-3) xxomega^2 T , = 2pi//omega =2pi//82.058=0.076` second .
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