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March 4, 2015

March 4, 2015

Posted by **Charlie** on Saturday, April 5, 2008 at 2:34pm.

- Physics -
**drwls**, Saturday, April 5, 2008 at 3:13pmG Me M/r^2 = M V^2/r

Express V in terms of the period P = 22 days = 1.90*10^6 seconds

2 pi r/P = V

G Me/r^2 = 4 pi^2 r/P^2

4 pi^2/(G*Me) = r^3/P^2

Solve for r.

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