23. Calculate the minimum sight distance to avoid head on collision of two cars approaching from the opposite directions
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23. Calculate the minimum sight distance to avoid head on collision of two cars approaching from the opposite directions
23. Calculate the minimum sight distance to avoid head on collision of two cars approaching from the opposite directions at 120 km per hour speeds. Assume reaction time of the drivers are 2.5 s and coefficient of longitudinal friction as 0.50 with a brake efficiency of 75%. The road stretch is having an ascending gradient of 3%. 24. Calculate the minimum sight distance to avoid head on collision of two cars approaching from the opposite directions at 120 km per hour speeds. Assume reaction time of the driver of the car moving uphill is 2.0 s and downhill is 1.5 s. Coefficient of longitudinal friction is 0.50. Brake efficiency of car moving uphill is 75% and downhill is 80%. The road stretch is having an ascending gradient of 3%. 25. Calculate the minimum sight distance to avoid head on collision of two cars approaching from the opposite directions in a road stretch having a descending gradient of 4%. The car moving uphill is at 100 km per hour speed and the car moving downhill is at 120 km per hour speed. Assume reaction time of the driver of the car moving uphill is 2.0 s and downhill is 1.5 s. Coefficient of longitudinal friction is 0.50. Brake efficiency of car moving uphill is 75% and downhill is 80%.
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