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telo118 [61]
3 years ago
10

An object was thrown from 60 feet high. The equation h=-16t2+60

Mathematics
1 answer:
Leviafan [203]3 years ago
6 0

Answer:

1.9 Seconds

Step-by-step explanation:

The equation that models the height of the object is given as:

h=-16t^2+60

The object will land when its height, h(t)=0

\text{When h(t)=0}\\-16t^2+60=0\\-16t^2=-60\\$Divide both sides by -16\\\dfrac{-16t^2}{-16} =\dfrac{-60}{-16}\\t^2=3.75\\t=\sqrt{3.75} \\t=1.94\:seconds\\\approx 1.9\:seconds $(to the nearest tenth)

The object will land after 1.9 seconds.

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