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Question: 6 using nowtons version of keplers third law 15 points...

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6. Using Nowtons version of Keplers Third Law (15 points). a) (5pt) Compute the semimajor the mass of the Sun from the fact that the Earths orbital period is 1 year and axis is 1 AU. Assume that the mass of the Earth is much smaller than the mass of the Sun. Is this assumption justified? pt) Compute the orbital period of a cubesat orbiting the Earth at an altitude of 400 km above the Earths surface. c) (5pt) Estimate the mass of the Galaxy enclosed by the Suns orbit around the galactic ct that the distance from the Sun to the galactic center is 27,000 light-years and the orbital period is 230 million years
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