The segment of road passing over the crest of a hill is defined by the parabolic curve y = 0.4x - 0.01x². A car weighing 3220 lb travels along the road at a constant speed of 30 fps. What is the normal pressure on the wheels of the car when it is at the crest of the hill where y = 4 ft? At what speed will the road pressure be zero?
The segment of road passing over the crest of a hill is defined by the parabolic curve y = 0.4x - 0.01x². A car weighing 3220 lb travels along the road at a constant speed of 30 fps. What is the normal pressure on the wheels of the car when it is at the crest of the hill where y = 4 ft? At what speed will the road pressure be zero?
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter3: Characteristics Of The Driver, The Pedestrian, The Bicyclist, The Vehicle, and The Road
Section: Chapter Questions
Problem 25P
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The segment of road passing over the crest of a hill is defined by the parabolic curve y = 0.4x - 0.01x². A car weighing 3220 lb travels along the road at a constant speed of 30 fps. What is the normal pressure on the wheels of the car when it is at the crest of the hill where y = 4 ft? At what speed will the road pressure be zero?
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