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pashok25 [27]
3 years ago
5

I need help....................

Mathematics
1 answer:
inysia [295]3 years ago
3 0
10-200

12-240

15-300

21-420
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A ball is dropped from a 75 foot tall tower, and the height of the ball (in feet) can be represented by the equation h = —16t^2
damaskus [11]

Answer:

The ball will take approximately 2.165 seconds.

Step-by-step explanation:

The height of the ball is represented by the function h(t) = -16\cdot t^{2}+75, the time taken by the ball to hit the ground is a value of t such that h(t) = 0, we proceed to solve the following equation for t:

-16\cdot t^{2}+75 = 0 (1)

16\cdot t^{2} = 75

t = \sqrt{\frac{75}{16} }

t \approx 2.165\,s

The ball will take approximately 2.165 seconds.

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