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March 4, 2015

March 4, 2015

Posted by **brett** on Saturday, February 11, 2012 at 5:55pm.

T = 1 year (convert to seconds)

r = 1.5e+11 meters

m = 6e+24 kg

- physics -
**drwls**, Saturday, February 11, 2012 at 6:30pmCentripetal force = M*V^2/r

For V, use 2*pi*r/T

T = 3.154*10^7 s

Turn the crank

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