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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-> 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):
