SOLUTION: The braking distance D in feet required to stop a car traveling x miles per hour on​ dry, level pavement can be approximated by Upper D equals one ninth x squaredD= 1 9x2.

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Question 1051448: The braking distance D in feet required to stop a car traveling x miles per hour on​ dry, level pavement can be approximated by Upper D equals one ninth x squaredD=
1
9x2.
​(a) Calculate the braking distance for 2020 miles per hour and 7070 miles per hour. How do your answers​ compare?
​(b) If the braking distance is 1616 ​feet, estimate the speed of the car.
​(c) Use a calculator to solve part​ (b) numerically. Do your answers​ agree?

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Not clear.
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