SOLUTION: A baseball is thrown straight upward with an intital speed of 128 feet/sec. The number of feet s above the ground after t seconds is given by the equation s = -16t squared + 128 fe

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Question 715127: A baseball is thrown straight upward with an intital speed of 128 feet/sec. The number of feet s above the ground after t seconds is given by the equation s = -16t squared + 128 feet.
When will the baseball be 192 feet above the ground?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A baseball is thrown straight upward with an intital speed of 128 feet/sec. The number of feet s above the ground after t seconds is given by the equation s = -16t squared + 128 feet.
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It's -16t^2 + 128t
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When -16t^2 + 128t = 192
Solve for t
There are 2 times, going up and coming back down.