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umka2103 [35]
3 years ago
5

3. Greg is in a car at the top of a roller-coaster ride. The distance, d(t), of the car

Mathematics
1 answer:
klemol [59]3 years ago
4 0

Answer: 3 seconds

Step-by-step explanation:

Hi, the correct equation is d (t) = 144- 16 t²

So, to answer this question we have to analyze the information given:

When the car reaches the ground the distance, d (t) of the car from the ground is 0.

0 = 144- 16 t²

Solving for t:

16 t² =144

t²=144/16

t²= 9

t = √9

t = 3 seconds  

Feel free to ask for more if needed or if you did not understand something.  

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