Tuesday

April 21, 2015

April 21, 2015

Posted by **Connor** on Tuesday, September 21, 2010 at 7:29pm.

- physics -
**bobpursley**, Tuesday, September 21, 2010 at 7:48pmWEll,the kinetic energy of the ball at the end must equal the initial KE added to the initialpe

1/2 m vf^2=1/2 m vi^2+mg*100

solve for Vf

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