एक भू-स्थिर उपग्रह (geostationary satellite) की पृथ्वी की सतह से ऊपर अनुमानित कक्षीय ऊँचाई कितनी होती है?

A geo-stationary satellite completes one revolution around the Earth in approximately ____ hours.

The radius of the orbit of a geostationary satellite is given by which of the following expressions? (Where 'R' is the mean radius of the earth, 'ω' is the angular velocity of the earth about its own axis, and 'g' is the acceleration due to gravity on the earth's surface):