Wednesday

July 23, 2014

July 23, 2014

Posted by **Bailey** on Sunday, October 26, 2008 at 3:37pm.

- physics -
**Damon**, Sunday, October 26, 2008 at 3:54pmv = Vo + a t = -9.8 t

z = Zo + Vo t + (1/2) a t^2

0 = 20 + 0 + 4.9 t^2

so

t = sqrt (20/4.9)

and

v = -9.8 sqrt (20.4.9)

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