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Physics 19 Online
OpenStudy (anonymous):

Assume a solar system having only two Earth like planets of mass m = 4.98 * 10^24 kg orbiting a star of mass M = 2.0 * 10^30 Kg. The planets are in the same orbit, with radius r = 1.5 * 10^11m , but are always at opposite ends of a diameter. A. Find The orbital period T. B. The orbital speed C.The total energy of the system.

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