February 21, 2017

Homework Help: College Physics

Posted by Angela on Thursday, March 15, 2012 at 10:22pm.

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 43.5 km/s and 54.0 km/s. The slower planet's orbital period is 6.53 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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