Mathematics, 29.05.2020 00:02 boomerjm
A ball is thrown downward from the top of a 120-foot building with an initial velocity of 14 feet per second. The hoight of the ball h after t
seconds is given by the equation h= - 16 - 14 +120
How long after the ball is thrown will it strike the ground?
Answers: 3
![t = \frac{[-b +/- \sqrt{(b^2-4ac)}]}{2a}](/tpl/images/0669/4813/9016c.png)
![t = \frac{[-7 +/- \sqrt{(7^2 - 4(8)(-60))}]}{2*8}](/tpl/images/0669/4813/7a85b.png)
![t = \frac{[-7 +/- \sqrt{(49 - (-1920))}]}{16}](/tpl/images/0669/4813/6197f.png)
![t = \frac{[-7 +/- 44.37]}{16}](/tpl/images/0669/4813/1a7e6.png)
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A ball is thrown downward from the top of a 120-foot building with an initial velocity of 14 feet pe...
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