Question:
A car is travelling at a speed of 60 km/hr on a section of a National Highway having a downward gradient of 2%. The driver of the car suddenly observes a stopped vehicle on the car path at a distance 130 m ahead, and applies brake. If the brake efficiency is 60%, coefficient of friction is 0.7, driver's reaction time is 2.5 s, and acceleration due to gravity is 9.81 m/s2, the distance (in meters) required by the driver to bring the car to a safe stop lies in the range
A car is travelling at a speed of 60 km/hr on a section of a National Highway having a downward gradient of 2%. The driver of the car suddenly observes a stopped vehicle on the car path at a distance 130 m ahead, and applies brake. If the brake efficiency is 60%, coefficient of friction is 0.7, driver's reaction time is 2.5 s, and acceleration due to gravity is 9.81 m/s2, the distance (in meters) required by the driver to bring the car to a safe stop lies in the range
Updated On: Jul 17, 2024
- 126 to 130
- 41 to 45
- 33 to 37
- 75 to 79
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The Correct Option is D
Solution and Explanation
The correct option is (D): 75 to 79.
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