# Physics

What is the velocity at the midway point of a ball able to reach a height y when thrown with an initial velocity
v0?
(Assume the ball is thrown upward and that up is the positive direction. Use the following as necessary: y and g. )

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1. Vf^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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