A student tying to test the braking ability of his car determined that he needed 10 m more to stop his car when driving downhill on a particular road than when driving uphill at 90 km/h. Assuming that the coefficient of friction between the tyres and the pavement is 0.30. Determine: The braking distance downhill. The percentage grade
A student tying to test the braking ability of his car determined that he needed 10 m more to stop his car when driving downhill on a particular road than when driving uphill at 90 km/h. Assuming that the coefficient of friction between the tyres and the pavement is 0.30. Determine: The braking distance downhill. The percentage grade
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 10P
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- A student tying to test the braking ability of his car determined that he needed 10 m more to stop his car when driving downhill on a particular road than when driving uphill at 90 km/h. Assuming that the coefficient of friction between the tyres and the pavement is 0.30. Determine:
- The braking distance downhill.
- The percentage grade of the highway at that section of the road.
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