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April 1, 2015

April 1, 2015

Posted by **Jess** on Sunday, September 9, 2007 at 7:09pm.

When I use the quadratic formula, I get -8.97

- Physics -
**bobpursley**, Sunday, September 9, 2007 at 7:19pmHow can the time be negative?

0=10t-4.9

0=t(10-4.9t)

t=0, t=10/4.9 sec are the solutions

In the quadratic equation:

(-10+-sqrt100)/-9.8 = same answers.

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