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
icon
Related questions
Question
  1. 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:
    1. The braking distance downhill.
    2. The percentage grade of the highway at that section of the road.
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Knowledge Booster
Unit conversion
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning