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November 22, 2014

November 22, 2014

Posted by **Ryrya** on Friday, October 2, 2009 at 1:06pm.

- Astro -
**bobpursley**, Friday, October 2, 2009 at 1:12pmg at earths surface=GMe/re^2

1/20 g= GMe/r^2= g(1/(r/re)^2

(r/re )^2= 20

solve for r.

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