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April 20, 2014

April 20, 2014

Posted by **Mary** on Friday, October 19, 2007 at 9:12pm.

- Physics -
**bobpursley**, Friday, October 19, 2007 at 9:49pmDo this with energy:

KEtop + PEtop =KEbottom+PEbottom + frictionwork

0+mgh = 1/2 m v^2 +0 + 612*5

h= 5sin20

solve for v

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