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September 18, 2014

September 18, 2014

Posted by **A.S.** on Sunday, July 24, 2011 at 2:49pm.

- Math -
**Damon**, Sunday, July 24, 2011 at 5:48pmh = ho + Vi t -(g/2)t^2 assume g = 9.8m/s^2

0 = 2 + 10 t -4.9 t^2

4.9 t^2 - 10 t - 2 = 0

t = [10 +/-sqrt(100+39.2)]/9.8

t = [ 10 +/-11.8 ]/ 9.8

(negative result is before you threw it)

t = 2.22 seconds

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