Two planets orbit a star. Planet 1 has orbital radius r1
Chapter 13, Problem 13.15(choose chapter or problem)
Two planets orbit a star. Planet 1 has orbital radius r1 and planet 2 has r2 = 4r1. Planet 1 orbits with period T1. Planet 2 orbits with period a. T2 = 8T1 b. T2 = 4T1 c. T2 = 2T1 d. T2 = 1 2 T1 e. T2 = 1 4 T1 f. T2 = 1 8 T
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