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Posted by **emily** on Sunday, September 4, 2011 at 7:24pm.

v0?

(Assume the ball is thrown upward and that up is the positive direction. Use the following as necessary: y and g. )

- Physics -
**Henry**, Tuesday, September 6, 2011 at 7:52pmVf^2 = Vo^2 + 2gd,

Vf^2 = Vo^2 + 2*9.8*(y/2),

Vf^2 = Vo^2 + 9.8y,

Vf = sqrt(Vo^2+9.8y).

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