SOLUTION: if a ball is thrown directly upward with a velocity of 20 feet per second, its heigh (in feet) after t seconds is given by y= 20t - 16t^2. what is the max height attained by the ba
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Question 29455: if a ball is thrown directly upward with a velocity of 20 feet per second, its heigh (in feet) after t seconds is given by y= 20t - 16t^2. what is the max height attained by the ball?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
Differenate the function:
-32t=-20
t=0.625
lim = 6.25
t->0.625
Hence, the maxium height reached was 6.25ft.
Paul.
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