SOLUTION: A soccer ball is kicked straight up with an initial velocity of 32 ft. per second. Its height above the earth is given by s (t) = -16t2 + 32t, where,‘s’ is the height in ft. at any

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Question 195591: A soccer ball is kicked straight up with an initial velocity of 32 ft. per second. Its height above the earth is given by s (t) = -16t2 + 32t, where,‘s’ is the height in ft. at any time, ‘t’ seconds.
a What is the maximum height reached by the ball?
b How long after it was thrown up the ball reaches its maximum height?

Answer by arallie(162) (Show Source):
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A soccer ball is kicked straight up with an initial velocity of 32 ft. per second. Its height above the earth is given by s (t) = -16t2 + 32t, where,‘s’ is the height in ft. at any time, ‘t’ seconds.
a What is the maximum height reached by the ball? 16ft
b How long after it was thrown up the ball reaches its maximum height? 1sec