Chapter 05, Problem 39
Two newly discovered planets follow circular orbits around a
star in a distant part of the galaxy. The orbital speeds of the
planets are determined to be 44.0 km/s and 60.5 km/s. The slower
planet's orbital period is 8.61 years. (a) What is
the mass of the star? (b) What is the orbital
period of the faster planet, in years?
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