Homework Help: Physics

Posted by Emily on Tuesday, October 23, 2012 at 6:14pm.

Astronomers can calculate the mass of a planet by using the orbital parameters of one of its moons. Consider a hypothetical planet, which has a hypothetical moon that orbits the planet in a roughly circular orbit with a radius of 3.95*10^8 m. The moon takes 12 Earth days to orbit the planet. What is the mass of the planet?

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