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February 28, 2015

February 28, 2015

Posted by **Christina** on Monday, June 6, 2011 at 6:23pm.

- Science -
**bobpursley**, Monday, June 6, 2011 at 6:45pmthe gain in Kinetic energy is equal to the loss of potential energy

1/2 m v^2=mgh

solve for v

- Science -
**Damon**, Monday, June 6, 2011 at 6:45pmmass cancels out, irrelevant

m g h = (1/2) m v^2

2 g h = v^2

v = sqrt (2 g h)

v = sqrt (2*9.8*30)

v = 24.2 m/s

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