19. The image below shows a modern traffic roundabout with a diameter of 400 feet from dashed white center striping to dashed white center striping. Given the superimposed measuring device, determine the Representative fraction of this image?
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- An object travels from the origin along a curved path y=5x2/3. If its horizontal velocity is Vx=24t2 m/sec, where t is in seconds, determine the magnitude of its velocity, acceleration and distance from the origin at t=5sec.A truck was travelling downhill at 51 kph. The brakes are suddenly applied and the truck stopped in a distance of 38 m. If the coefficient of friction between the tires and the road surface is 0.3, what is the grade of the road in percent (%)? Express your answer in 2 decimal places. Include the sign.Calculate the setback distance on a national highway having horizontal curve of radius 300 m and length of 180 m. Assume speed of 80 km/h and coefficient of friction of 0.35 and perception-reactions time of 2.5 seconds.
- ASAP. THANK YOU! A man drives at a rate of 25 kph towards the foot of an 8-m tall monument. At what rate is he approaching the top when he is 42m from the foot of the monument? A. 21.45 kph B. 31.58 kph C. 24.56 kph D. 6.82 kphA transit is set up inside a triangular lot and observes the bearings and distances of the three corners are as follows. Compute the area of the lot. a. 548.9 m² b. 816.6 m² c. 980.5 m² d. 749.2 m²A 15 ft long , 6 ft rectangular tank open to the atmospher is towed by a truck on a level road. The tank is filled with water to a depth of 5 ft. Determine the maximum acceleration or deceleration in ft/s^2 allowed if no water is to spill during towing. Show the free body diagram. a.5.23 b.4.29 c.6.45 d.7.02
- - From the traffic studies performed along a street shows the distances each vehicle traveled every 3 seconds on a portion of the highway. Vehicle Distance, m 1 82.6 2 89.9 3 84.6 4 82 a.computethe space mean speed of the traffic, in kph.b.computethe flow of traffic.c.computethe density of traffic.A vehicle moving at a speed of 50 mph is slowing traffic on a two-lane highway. What passing sightdistance is necessary, in order for a passing maneuver to be carried out safely? Calculate the passingsight distance. In your calculations, assume that the following variables have the values given: Passing vehicle driver's perception/reaction time = 2.5 sec Passing vehicle's acceleration rate = 1.47 mph/sec Initial speed of passing vehicle = 50 mph Passing speed of passing vehicle = 60 mph Speed of slow vehicle = 50 mph Speed of opposing vehicle = 60 mph Length of passing vehicle = 22 ft Length of slow vehicle = 22 ft Clearance distance between passing and slow vehicles at lane change = 20 ft Clearance distance between passing and slow vehicles at lane re-entry = 20 ft Clearance distance between passing and opposing vehicles at lane re-entry = 250 ftcalculate the setback distance on a national highway having a horizontal curve of radius 300m and length of 180m.Assume speed of 80km/h and coefficient of friction of 0.35 and perception reactions time of 2.5seconds
- 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.18 The density of traffic in a certain observation point on a highway was recorded to be 30 veh/km. If the space mean speed of the vehicle is 50 kph, how many vehicles will be passing every 20 minutes? A. 255 B. 750 C. 50 D. 500 E. None of the abovePlease answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. A motorist is about to enter the exit ramp of a highway. When it is 50m before reaching A (along the straight path), the motorist travels at 80km/h, decreasing at the rate of 0.5m/s2until it reaches B. After it reaches B, it travels at a constant speed. Determine the magnitude of the acceleration: just after A just before B just after B