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Satellite A of mass m orbits a planet of mass M at a distance of R from the center of the planet. The speed of the satellite is v. Answer in terms of m, M, R and v.

What is the speed of a satellite B whose mass is 2 m? The distance from the center of the planet to the satellite B is R and the mass of the planet is M. (The answer is v I just don't know how to... more

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