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December 17, 2014

December 17, 2014

Posted by **Tammy** on Wednesday, September 26, 2007 at 2:28pm.

first i need to find the time so I used y=y_0 +v_0t +1/2at^2

-40=-1/2(10)t^2

t=8s

then x=x_o+vt

9=v(8)

v=1.125m/s

Is this correct?

- Physics -
**bobpursley**, Wednesday, September 26, 2007 at 3:49pmNo.

t= sqrt 8

then proceed to the second part with the right time.

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