expressed a speed decrease of 10 miles per hour as a signed number
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- Three cars travel over a 60 m. section of highway at constant speeds of 19, 20 and 25 m/s. Compute the time mean speed for this condition in m/s (two decimal places). Blank 1 Blank 1 Add your answerWhat is the traffic stream parameter that describes the distance between the front bumpers of two consecutive vehicles? Spacing O Headway Density O FlowIn a school zone, the posted speed limit is 15 mph. A police officer used a laser gun to record the spot speeds of 6 vehicles during the 15-mph enforcement hour. The recorded speeds are 15, 15, 15, 15, 20, 15 mph. Calculate the time-mean-speed and the space-mean-speed to two decimal places.
- Five cars are traveling at constant speeds 24, 31, 28, 35, 19 kph. respectively, in a uniform section of highway 4 km long. Determine the time mean and space mean speeds. Which one is higher, time mean speed or space mean speed? Can you think of the reason why this is so?uestion 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 30 minutes O A. 25.5 O B. 750 O C. 12.5 O D. 13 O E. None of the above «What is the time between the departure of a vehicle and the arrival of the next vehicle, as measured at a given point on the roadway.How much does the free flow speed drop in km per hour on a multilane highway section with 16 access points per two kilometers? • Round your answer to the nearest two decimal places. • No need to put units in your short answer.TRYCYCLE RUNS ARE A BEST SPEED (Fixed) at 30 km/hr . CALCULATE the DISTANCE TRAVELLED AFTER 4 HOURS OF TRAVELEstimate the maximum number of cars in a single lane of traffic that would pass a check-point in one hour at an average speed of 50 mph. Safe driving practice requires one car length of spacing for each 10 mph speed. (a) Layout the procedure for making the estimation including assumptions, diagrams, equations, etc.4. A car travelling north at 60 mph and a truck travelling east at 45 mph leave an intersection at the same time. At what rate is the distance between them changing 2 hours later?Two routes are available to carry 1200 vehicles in peak-hour traffic. Route 1 has a posted speed limit of 45 mph and is 5 miles long. The travel time increases by 2x2, where x is vehicles in thousands. Route 2 has a limit of 55 mph and is 6.7 miles long, and the travel time increases by 1.5x. Find the user-equilibrium travel flow and travel time.Question- Spot speeds of vehicles observed at a point on a highway are 40, 55, 60,65 and 80 km/h. The space-mean speed. (in km/h, round off to two decimal places) of the observed vehicles isSEE MORE QUESTIONS