Question: A 20 kg satellite has a circular orbit with a period of 2.4 h and a radius of 8.0 x l06 m around a planet

A 20 kg satellite has a circular orbit with a period of 2.4 h and a radius of 8.0 x l06 m around a planet of unknown mass. If the magnitude of the gravitational acceleration on the surface of the planet is 8.0 m/s2, what is the radius of the planet?

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