Homework Help: Physics

Posted by Sierra on Friday, June 29, 2012 at 2:30pm.

In recent years, a number of nearby stars have been found to possess planets. Suppose, the orbital radius of such a planet is found to be 3.0 1011 m, with a period of 1000 days. Find the mass of the star.

Physics - ajayb, Friday, June 29, 2012 at 3:16pm
use T^2 = 4*pi^2*r^2/GM
T and r are given, G -Universal constant of gravitation.
Compute M - mass of star

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