GATE CE 2019 Set 2 — Question 33
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Transportation Engineering → Cross-Section & Sight Distance → Stopping Sight Distance
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Question
A vehicle is moving on a road of grade at a speed of . Consider the coefficient of rolling friction as and acceleration due to gravity as . On applying brakes to reach a speed of , the required braking distance (in , round off to nearest integer) along the horizontal, is ___________
Correct answer
30 to 30
Solution
The braking distance for a vehicle changing speed from to on a grade is given by the formula:Given:
- Initial speed,
- Final speed,
- Acceleration due to gravity,
- Coefficient of friction,
- Grade, (upward grade)
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