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January 31, 2015

January 31, 2015

Posted by **NICOLE** on Tuesday, December 12, 2006 at 2:44pm.

The potential energy at the top is mg10/sin30

The Ke at the bottom is 1/2 mv^2, plus 1/2 Iw^2

but w= v/r

so KE = 1/2 mv^2 + 1/2 I v^2/r^2

set that equal to PE, and solve for V.

YOu have to lookup or determine the moment of inertia for a solid cylinder.

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