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October 21, 2014

October 21, 2014

Posted by **Roberto** on Wednesday, May 4, 2011 at 12:46am.

- Physics -
**drwls**, Wednesday, May 4, 2011 at 2:46amFirst compute the velocity of the earth in its orbit

V = 2 pi R/P

where P is the period of the orbit in seconds, and R = 1.4960*10^11 m

You can now solve for the sun's mass. M, by setting the gravity force equal to the centripetal force.

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