MHT CET 2022 Physics question
A geostationary satellite is revolving around the earth. If the radius of the earth is 'R' and the angular speed about its own axis is , then the radius of the orbit of the geostationary satellite is (g = acceleration due to gravity)
Answer: (D)
Solution
A geostationary satellite has the same angular speed as the Earth's rotation, and the gravitational force provides the centripetal force: , so . Using (from at the surface): $ =
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