Question: A satellite orbits a planet of unknown mass in a circle of radius 2.0 x l07 m. The magnitude of the gravitational force on the

A satellite orbits a planet of unknown mass in a circle of radius 2.0 x l07 m. The magnitude of the gravitational force on the satellite from the planet is F = 80 N.

(a) What is the kinetic energy of the satellite in this orbit?

(b) What would F be if the orbit radius were increased to 3.0 x 107 m?

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