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5. Satellite I is in a circular orbits of radius r around planet 1 with a period T. Satellite 2 is in a circular orbits of radius T2 = 2r around planet 2 with a period T2 = 3T,. What is the ratio of the masses of the planets M M22 32 A) 23 3/2 B) C) 23 D) 32 E) COIN )

16. When the first law of thermodynamics, Q = AU+W, is applied to an ideal gas that is taken through an isobaric process, A) W = 0 Β) ΔU = 0 C) Q = 0. D) AS = 0 E) none of the above.