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Physics, 11.03.2020 22:45 myrep12

You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.8 × 107 m and its rotation period to be 22.3 hours. You have previously determined that the planet orbits 3 × 1011 m from its star with a period of 402 earth days. Once on the surface you find that the acceleration due to gravity is 44.6 m/s2. What are the mass of (a) the planet and (b) the star? (G = 6.67 × 10-11 N · m2/kg2)

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