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April 18, 2015

Posted by **Anonymous** on Wednesday, September 22, 2010 at 5:07pm.

- physics -
**MathMate**, Wednesday, September 22, 2010 at 6:09pmIgnoring air-resistance, equate energies:

(PE+KE)initial = (PE+KE)final

mgh+(1/2)mu² = (1/2)mv²

Solve for v.

I get approx. 71 m/s.

- physics -
**Anonymous**, Wednesday, September 22, 2010 at 6:11pmthank you so much!

- physics -
**MathMate**, Wednesday, September 22, 2010 at 6:14pmYou're welcome!

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