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Math Help - simple cal question

  1. #1
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    simple cal question

    If a ball is thrown vertically upward from the roof of 64 foot building with a velocity of 96 ft/sec, its height after t seconds is s(t)=64+96t16t2. What is the maximum height the ball reaches?



    What is the velocity of the ball when it hits the ground (height 0)?
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  2. #2
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    if s(t) is the height of the ball with respect to time then find s'(t) = 0
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