Question

(a) Calculate the orbital speed of a satellite that orbits at an altitude h = one...

(a) Calculate the orbital speed of a satellite that orbits at an altitude h = one Earth radius above the surface of the Earth. (b) What is the acceleration of gravity at this altitude? (G = 6.67 x 10-11 N.m2 /kg2 , ME = 5.97 x 1024 kg, RE = 6.37 x 106 m)

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Answer #1

We know that here centripetal force is provided by gravitational force. So by equating both, we calculate the orbital speed of satellite.

Then we calculate the effective gravitational acceleration at the given height by Newton's gravitational force formula.

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