SOLUTION: use the formula h=-16t^2+Vot to answer the following: a baseball is thrown straight upwards with an initial velocity of 40 ft/s. when does the ball reach maximum height?

Question 378649: use the formula h=-16t^2+Vot to answer the following:
a baseball is thrown straight upwards with an initial velocity of 40 ft/s. when does the ball reach maximum height?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
a baseball is thrown straight upwards with an initial velocity of 40 ft/s. when does the ball reach maximum height?
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h(t) = -16t^2 + 40t
The function is a parabola. The max ht is at the vertex.
The vertex is at t = -b/2a = -40/-32 = 1.25 seconds
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