A satellite has a mass of 400 kg. It orbits 4.0 × 105 m above the surface of the earth. (RE = 6.37 × 106 m, ME = 5.98 × 1024 kg)
a) What is the force of gravity on this object?
b) How fast is it going?
c) How long will it take to orbit the earth?
Please explain step-by-step!! I appreciate your help!
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