determine the constant deceleration
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- In traveling a distance of 3.3 km between points A and D, a car is driven at 86 km/h from A to B for t seconds and 42 km/h from C to D also for t seconds. If the brakes are applied for 4.8 seconds between B and C to give the car a uniform deceleration, calculate t and the distance s between A and B.The brakes of a car are applied, causing it to slow down at a rate of 10 ft/s2. Knowing that the car stops 300 ft, determine (a) how fast the car was traveling immediately before brakes were applied, (b) the time required for the car to stop.A car starts from rest and travels 10 sec. with an acceleration of a = 4 – 0.3t, then runs for 30 sec. at constant velocity and finally comes to rest by decelerating at 3.125 m/s2. Determine the velocity of the car after 10 sec. Determine the distance traveled by the car during the period of 10 sec. c. Determine the total distance traveled by the car until it stops.
- 5) A car is traveling along a straight road with an acceleration of a = 1/4 * s ^ (1/4) (m/s^ 2 ) Determine the velocity when the car travels 2 (m).In a certain situation it was estimated that 24.9% of the braking force was applied to the rear brakes in order for the car to develop the maximum forces required stop the car. If the total braking force develop was 5565 N and the road is wet (u = 0.6) wheel base of 295 cm and a center of gravity 75 cm above the pavement road and 120 cm behind the front axle. What was the speed of the car in kph?Situation 3. A road having a radius of 120m and has angle of 9.31 degrees 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 1.20m. If the car has a total weight of 15 KN, a. Compute the normal acceleration and the velocity of the car before overturning. b. If uk= 0.60, what is the velocity of the car without sliding? Please answer this with a complete solution and with a Free Body Diagram PLEASE. Thank you.
- In traveling a distance of 3 km between points A and D, a car is driven at 100 km/hr from A to B for t seconds. If the brakes are applied for 4 sec between B and C to give a car uniform deceleration from 100 kmph to 60 kmph and it takes ' t ' seconds to move from C to D with a uniform speed of 60 kmph, determine the value of ' t '.a car starts from rest and travels 10 sec. with an acceleration of a=4-0.3t, then runs for 30 seconds at constant velocity and finally comes to rest by decelerating at 3.125 m per sq. s Determine the velocity of the car after 10 seconds. A. 20 m/s B. 25 m/s C. 30 m/s D. 35 m/s E. none of the above point Determine the distance travelled by the car during the period of 10 seconds. A. 120m B. 150m C. 170m D. 182m E. None of the above Determine the total distance travelled by the car until it stop A. 950m B. 1000m C. 1050m D. 1100m E. None of the aboveThe car is traveling at 48 km/h when the traffic light 90 m ahead turns yellow. The driver takes one second to react before he applies the brakes. (a) After he applies the brakes, what constant rate of deceleration will cause the car to come to a stop just as it reached the light? (b) How long does it take the car to travel the 90 m?
- Assume your car is traveling at 100 kph when a pedestrian suddenly crosses the street in front of your car. How far will your car travel before you can apply the brakes? Show your solution. What is the likelihood of running over the pedestrian?(Assume that you can bring the car to a stop in 10 m once you step on the brakes when you are driving at 50 )An automobile starting from rest speeds up to 40 meters per seconds with a constant acceleration of 4 meter per seconds square, runs at this speed for a time, and finally comes to rest with a deceleration of 5 meters per second square. If the total distance traveled is 1000 meters, find the (a) distance traveled covered during the acceleration, (b) distance traveled at constand speed, and (c) the total time of travel.A moving car is traveling at 80 kph when the brakes are applied to it. The car stillmoves at a distance of 35 m, before it completely stops. Determine the coefficientof friction between the tires and the road surface.