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27 Nov 2019

A satellite circles a spherical planet of unknown mass in acircular orbit of radius 1.8×10^7 m. The magnitude of thegravitational force exerted on the satellite by the planet is 100N.

What would be the magnitude of the gravitational force exerted onthe satellite by the planet if the radius of the orbit wereincreased to 3.3×10^7m ?

If the satellite circles the planet once every 2.6 h in the largerorbit, what is the mass of the planet?

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