Calculate the stopping sight distance on a highway at an ascending gradient of 2% for a design speed of 90kph with a total reaction time of 2.5 sec. and a coefficient of friction of 0.42.
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Calculate the stopping sight distance on a highway at an ascending gradient of 2% for a design speed of 90kph with a total reaction time of 2.5 sec. and a coefficient of friction of 0.42.
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- Calculate the stopping sight distance on a highway at an ascending gradient 2% for a design speed of 90 kph with a total reaction time of 2.5 sec and a coefficient of 0.42.Calculate the stopping distance on a highway at an ascending gradient of 2% for a designspeed of 90 kph with a total reaction time of 2.5 sec. and the coefficient friction of 0.5A car travels at a costants speed of 100kph when its initial position is 400m measured horizontally and whose vertical terrain is given by the equation y=0.0003x^2. (A) Compute the radius of curvature at its initial position. (B) Find the total acceleration of the car if the position of the car is 200m from its initial position
- A driver travelling at 50mph sees a hazard at a certain distance ahead. The driver then applies the brakes immediately, time is 2sec and begins slowing the vehicle at 10m/s^2. If the distance from the stopping point to avoid hitting the boulder is 10.28m, how far the car from the hazard upon perception.A vehicle travelling at design speed of 80 kmph on a descending gradient of 2.5% meets on ascending grade of 3%. Calculate the minimum length of vertical curve required (in meters) to facilitate smooth movement of vehicle considering head light sight distance of 100 m and assume that passenger is comfortable is all conditions,What should be the maximum speed (mph) of a car traveling on a leveled (zero grade) road surface if the available stopping sight distance is 400 ft? Assume 1.5 s of reaction time and braking friction coefficient of 0.35.
- A driver driving at 69 kph at a straight flat portion of the highway suddenly encounters an obstruction. He applies his brakes. If the coefficient of friction of the roadway to the tires is equal to 0.5, calculate the maximum safe distance (rounded to the nearest meters) the driver can apply his brakes to avoid collision. g = 9.81 m/s^2Compute the required length of the safe stopping sight distance in a two-way traffic in a two-lane road If the design speed is 60kph. perception-reaction time of the driver is 2.6sec and the coefficient of friction between tires and pavement is 0.40. Assume the slope of roadway to be horizontal.The car is traveling at a constant speed through a dip in the road. The radius of curvature of the road at point A, the bottom of the dip is 396m. What speed of the car (kph) would result in an acceleration of magnitude 0.2g when the car is at A?
- A driver driving at 69 kph at a straight flat portion of the highway suddenly encounters an obstruction. He applies his brakes. If the coefficient of friction of the roadway to the tires is equal to 0.5, calculate the maximum safe distance (rounded to the nearest meters) the driver can apply his brakes to avoid collision.For a vehicle travelling at 85km/hr determine the stopping sight distance required by the driver to avoid a broken-down vehicle in the middle of the road assuming perception reaction time is 2secs and rate of deceleration is 0.25 times gravity.Compute the passing sight distance for a road section with the following conditions time for initial maneuver of 5 sec average acceleration rate of 2.6 km/hr/sec time in which the passing vehicle travels over left lane is 10 sec average of passing vehicle speed is 70 kph