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A satellite revolving in a circular equa...

A satellite revolving in a circular equatorial orbit of radius `R = 2xx10^(4)` km from west to east appears over a certain point at the equator every `t = 11.6` hours. Calculate the mass of the earth. The gravitational contant `G= 6.67 xx 10^(-11) SI` units.
[Hint : `omega_(app) =omega_("earth") or omega_("real") = 2pi ((1)/(T)+(1)/(t))`]

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The correct Answer is:
`6 xx 10^(24)` kg
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