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March 4, 2015

March 4, 2015

Posted by **shine** on Wednesday, December 12, 2012 at 6:03pm.

- Physics -
**Damon**, Wednesday, December 12, 2012 at 6:11pmhint

Kinetic energy at bottom = kinetic energy at top + m g h

where h = 8.81 sin 27.3

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