SOLUTION: A football is kicked straight up into the air; it hits the ground 3.6s later.What was the greatest height reached by the ball? Assume it is kicked from ground level.
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Question 836334: A football is kicked straight up into the air; it hits the ground 3.6s later.What was the greatest height reached by the ball? Assume it is kicked from ground level.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
If I say:
One of the roots is
and, the other root is:
-----------------
The maximum height is reached when:
where
and
The greatest height reached is 51.84 ft
Here's the plot:
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