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December 21, 2014

December 21, 2014

Posted by **Lindsay** on Monday, October 15, 2007 at 6:24pm.

I am still stuck on this problem, mainly because I can't seem to get v/2. I think I know all the steps...but not having v/2 is keeping me from doing them.

- Physics -
**bobpursley**, Monday, October 15, 2007 at 7:04pmwell, you know the amount of kinetic energy lost from a to b, and the change in Potential energy

1/2 mv^-1/2 m (v/2)^2= mg12.5

3/4 v^2=12.5*9.8

solve for v.

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