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August 21, 2014

August 21, 2014

Posted by **dan** on Wednesday, November 2, 2011 at 12:03pm.

- Physics -
**drwls**, Wednesday, November 2, 2011 at 12:27pmThe KE at the bottom (where the velocity is a maximum value V, must equal the PE increase at the top, where the velocity is 0. .

(1/2)MV^2 = M g R

V = sqrt (2 g R) = 9.55 m/s

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