MindTap Engineering, 2 terms (12 months) Printed Access Card for Moaveni's Engineering Fundamentals, SI Edition, 5th
5th Edition
ISBN: 9781305110250
Author: MOAVENI, Saeed
Publisher: Cengage Learning
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Chapter 8, Problem 13P
To determine
Express the traffic density expression in terms of number of vehicles per mile.
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Express the following equation, the traffic density in veh/km when d is in m, in terms of number of vehicles per mile when d is in mi, ft, and yd. (Use the following as necessary: n, d.)
1,000n
d
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when d is in mi
when d is in ft
when d is in yd
k =
k =
k =
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5280nd
1760nd
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Express the following equation, the traffic density in veh/km when d is in m, in terms of number of vehicles per mile when d is in mi, ft, and yd. (Use the following as necessary: n, d.)
1,000n
k =
when d is in mi
k =
when d is in ft
k =
when d is in yd
k =
Assume you are observing traffic in a single lane of MCArthur Highway at a specific location. You measure the average headway and
average spacing of the vehicles as 3.2sec. and 50 m. respectively. Determine the traffic speed in kilometer/hour Blank 1.
Blank 1
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Chapter 8 Solutions
MindTap Engineering, 2 terms (12 months) Printed Access Card for Moaveni's Engineering Fundamentals, SI Edition, 5th
Ch. 8.2 - Prob. 1BYGCh. 8.2 - Prob. 2BYGCh. 8.2 - Prob. 3BYGCh. 8.2 - Prob. 4BYGCh. 8.2 - Prob. BYGVCh. 8.4 - Prob. 1BYGCh. 8.4 - Prob. 2BYGCh. 8.4 - Prob. 3BYGCh. 8.4 - Prob. BYGVCh. 8.5 - Prob. 1BYG
Ch. 8.5 - Prob. 2BYGCh. 8.5 - Prob. 3BYGCh. 8.5 - Prob. 4BYGCh. 8.5 - Prob. BYGVCh. 8 - Prob. 1PCh. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 9PCh. 8 - Prob. 10PCh. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - Prob. 27PCh. 8 - Prob. 28PCh. 8 - Prob. 29PCh. 8 - Prob. 30PCh. 8 - Prob. 31PCh. 8 - Prob. 32PCh. 8 - Prob. 33PCh. 8 - Prob. 34PCh. 8 - Prob. 35PCh. 8 - Prob. 36PCh. 8 - Prob. 37PCh. 8 - Prob. 38PCh. 8 - Prob. 39PCh. 8 - Prob. 40PCh. 8 - Prob. 41PCh. 8 - Prob. 42PCh. 8 - Prob. 43PCh. 8 - Prob. 44PCh. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47PCh. 8 - Prob. 48PCh. 8 - Prob. 49PCh. 8 - Prob. 50P
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- Question 1 1.1 The sketch below shows the time-space diagram for a section of an urban road. Estimate the average spacing, headway and the speed. Distance (m) 160 140 120 100 80 60 40 20 0 0 5 10 15 20 25 Time (sec) 30 35 40arrow_forwardThe primary elements of traffic flow are flow, density, and speed. Discuss with illustration the relationships between the three elements of a traffic flow. (100 words) equirements: 1. The primary elements of traffic flow are flow, density, and speed. Discuss with illustration the relationships between the three elements of a traffic flow. (100 words)arrow_forwardA motorcyclist travels along a straight road. His velocity is shown in the v-t graph. A) Construct the s-t graph B) What is the total distance travelled?arrow_forward
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- Assume you are observing traffic in a single lane of a highway at a specific location. You measure the average headway and average spacing of passing vehicles as 3.2 seconds and 20 m, respectively. Calculate the flow, average speed, and density of the traffic stream in this lane. Use the editor to format your answerarrow_forwardAssume you're observing traffic on a single lane of a highway in a specific location. Calculate the traffic flow (veh/hr), average speed (mi/hr), and density in this lane (veh/mi). Mean headway = 3.8 seconds; spacing= (177.4) feet.arrow_forward5. What is the meaning of a negative velocity v? Can an aircraft have a negative velocity vof say, -400 km/h? 6. You are driving an automobile along a straight road, and the speedometer registers 60 km.h (17m/s). Is the velocity positive or negative? What information do you need to answer this question?arrow_forward
- 35 The following data were taken on five cars traversing a 2.6-km highway. Car Time (minutes) A 1.2 B 1.6 C 1.6 D 1.6 E 1.5 Determine the traffic density, in vehicles per km. Express your answer in 2 decimal places.arrow_forwardCompute the rate of flow in vehicles per hour (two-decimal places) if the space mean speed is 30 mph and the density is 14 vehicles per km.arrow_forwardResults of traffic flow studies on a highway indicate that the flow-density relationship can be described by the expression. Us q=uck - If speed and density observations give the data shown below, develop an appropriate expression for speed versus density for this highway. (Use the following as necessary: k. Assume u is in mi/h and k is in veh/mi. Do not include units in your answer.) Speed (mi/h) Density (veh/mi) 11 ufk² kj 57 53 45 39 28 21 18 density at maximum volume 21 22 39 60 70 86 97 Determine the density (in veh/mi) at which the maximum volume will occur as well as the value of the maximum volume (in veh/h). 80 X Your response differs from the correct answer by more than 10%. Double check your calculations. veh/miarrow_forward
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