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September 23, 2014

September 23, 2014

Posted by **mae** on Tuesday, August 30, 2011 at 8:27pm.

PLEASE HELP!!!!!!! :)

- physics -
**bobpursley**, Tuesday, August 30, 2011 at 8:31pmfind the time it takes the ball to get to the bottom

Hf=hi+vi*t-1/2 g t^2

0=24.4+12*t-4.8 t^2

use the quadratic equation to find time of fall t.

Now, how fast does the person run? v=30.2/timet

- physics -
**mmmm**, Tuesday, June 11, 2013 at 5:45amghghj

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