A vehicle transverses a superelevated curve at 52 kph. If the radius of the curve is 64 meters, and the coefficient of friction is equal to 0.3, calculate the angle of superelevation as measured from the horizontal.
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- A vehicle traverses a superelevated curve at 64 kph. If the radius of the curve is 52 meters, and the coefficient of friction is equal to 0.4, calculate the angle of superelevation (θ) as measured from the horizontal.A vehicle traverses a superelevated curve at 52 kph. If the radius of the curve is 64 meters, and the coefficient of friction is equal to 0.3, calculate the angle of superelevation (0) as measured from the horizontal.1. A curve has a super elevation of 15° with angle of friction 10°. What is the radius of the curve such that there will be no lateral pressure between the tires and the roadway at a maximum speed of 60mph? 2. A vehicle travels along a curve of radius 200 m banked at an angle of 15°. If the static coefficient of friction between the road and the tires is 0.25, determine the largest constant speed at which the vehicle will not be thrown outward the banked curve.
- A car is entering a curve of radius 190m with a velocity of 165kph. Determine the angle of banking of the track to prevent the 1435kg car from sliding down the track. The coefficient of friction between the tires and the track is 0.30.A 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 positionThe minimum radius of the curve is 216 meters, and the value of coefficient of friction and superelevation combined is equal to 0.8. What should be the maximum design vehicle speed at the curve in order for road users to safely traverse it?
- Compute the minimum radius of a circular curve for a highway designed for 80 km/h. Because snow and ice are present, the maximum superelevation rate is 8%.A car accelerates for t sec from rest to a velocity of 48 ft. per sec, the acceleration increasing uniformly from zero to 12 ft. pre sec². During the next 4 sec, the car decelerates at a constant rate to a velocity of 4 ft. per sec. Sketch the a-t, v-t and s-t curvesThe radius of a highway curve is 120m, and has an angle of 9.31° from the horizontal. The center of gravity of the car is located 0.80m above the roadway and the distance between the two front wheels is 1.2m. If the car has a total weight of 15KN, a. Determine the normal acceleration and the velocity (in kph) of the car before overturning? b. Find the maximum velocity of the car could move along the curve so that there will be no outstanding pressure between the tires and the roadway. c. If the coefficient of kinetic friction is 0.60, what is the maximum velocity (in kph) of the car without sliding?
- A vehicle traveling at a speed of 80kph accelerates at 3.41 m/s^2. The perception reaction time for the driver is 2.5sec. if the maximum grade of a road is -4% hint: use the acceleration for solving friction note: V1 = V2 1.) Compute the minimum sight distance 2.) Compute the length of the curve with a backward tangent of 6%Find the angle of banking for a highway curve of 90 m radius designed to accommodate cars travelling at 160 kph, if the coefficient of friction between the tyres and the road is 0.60 Correct answer is 34.96 degrees.At what angle should a highway curve of 610-ft diameter be banked to accommodatecars travelling at 105 mph? The coefficient of friction between the tires and the road is0.55. What is the rated speed of the curve?