Mathematics · Stopping Sight Distance Calculation
A car moves at a speed of 90 km/h (25 m/s) on a road with a 2% upward gradient (+0.02). The driver's reaction time is 1.5 seconds and the coefficient of longitudinal friction between pavement and tyre is 0.15. Calculate the total stopping sight distance (SSD) traversed before the car stops completely.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1250 m
- 2225 m
- 3221 m✓
- 4200 m
Correct answer
221 m
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