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April 23, 2014

April 23, 2014

Posted by **Kathy** on Monday, November 5, 2012 at 12:21am.

- physics -
**Elena**, Monday, November 5, 2012 at 12:05pmWhat is direction of initial velocity?

If v=5 m/s is downward velocity,

PE+KE1=KE2

mgh+mv1²/2 =mv2²/2

v2 =sqrt(2gh+v1²)

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