Engineering Fundamentals
6th Edition
ISBN: 9780357112144
Author: Saeed Moaveni
Publisher: MISC PUBS
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Chapter 18, Problem 33P
To determine
Estimate the stopping distance for speed of
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Students have asked these similar questions
Match the following to True/False.
A.
GPS devices are an example of mobile traffic sensors
For the time-space diagram of a single-lane one-way road, the vehicle
trajectories do not intersect with each other unless there is a crash.
Pneumatic tubes detect vehicle presence by sending an electric signal to a
roadside device.
B. Space mean speed may be greater than time mean speed in certain
situations.
A. True
B. False
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
Three seconds after automobile B passes through the intersection shown, automobile A passes through the same
intersection. Given, the speed of automobile A is VA = 95.00 mi/h and automobile B is vg = 50.00 mi/h, respectively. Also,
know that the speeds are constant for the automobiles during the encounter.
N
70°
S
+
VA
vB
Determine the distance between the two automobiles 2 s after A has passed through the intersection.
The distance between the two automobiles 2 s after A has passed through the intersection is 356.5 ft.
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
Three seconds after automobile B passes through the intersection shown, automobile A passes through the same
intersection. Given, the speed of automobile A is VA = 55.00 mi/h and automobile B is vg= 34.00 mi/h, respectively. Also,
know that the speeds are constant for the automobiles during the encounter.
N
70°
S
+
VA
vB
Determine the distance between the two automobiles 2 s after A has passed through the intersection.
The distance between the two automobiles 2 s after A has passed through the intersection is
Chapter 18 Solutions
Engineering Fundamentals
Ch. 18.2 - Prob. 1BYGCh. 18.2 - Prob. 2BYGCh. 18.2 - Prob. 3BYGCh. 18.2 - Prob. 4BYGCh. 18.2 - Prob. BYGVCh. 18.3 - Prob. 1BYGCh. 18.3 - Prob. 2BYGCh. 18.3 - Prob. 3BYGCh. 18.3 - Prob. BYGVCh. 18.4 - Prob. 1BYG
Ch. 18.4 - Prob. 2BYGCh. 18.4 - Prob. 3BYGCh. 18.4 - Prob. 4BYGCh. 18.4 - Prob. BYGVCh. 18.5 - Prob. 1BYGCh. 18.5 - Prob. 2BYGCh. 18.5 - Prob. 3BYGCh. 18.5 - Prob. 4BYGCh. 18.5 - Prob. BYGVCh. 18.6 - Prob. 1BYGCh. 18.6 - Prob. 2BYGCh. 18.6 - Prob. 3BYGCh. 18.6 - Prob. 4BYGCh. 18.6 - Prob. BYGVCh. 18.7 - Prob. 1BYGCh. 18.7 - Prob. 2BYGCh. 18.7 - Prob. BYGVCh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - In Chapter 12, we explained that the electric...Ch. 18 - The deflection of a cantilevered beam supporting...Ch. 18 - Prob. 6PCh. 18 - Prob. 7PCh. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - Prob. 10PCh. 18 - Prob. 11PCh. 18 - Prob. 12PCh. 18 - Prob. 13PCh. 18 - Prob. 14PCh. 18 - A jet plane taking off creates a noise with a...Ch. 18 - Prob. 16PCh. 18 - Prob. 17PCh. 18 - Prob. 18PCh. 18 - Prob. 19PCh. 18 - Prob. 20PCh. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 23PCh. 18 - Prob. 24PCh. 18 - Prob. 25PCh. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - Prob. 33PCh. 18 - Prob. 34PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45P
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Similar questions
- The following shows the stopping distance of a car travelling on wet road and the speed at which it begins braking Velocity, kph 30 60 75 100 120 Stopping Distance, m 10 36 45 90 130 a. Calculate the rate of change of the stopping distance (in m/kph) at a speed of 100 kph numerically using derivatives for unequally spaced data. b. Using the calculated rate of change from (a) as the slope and the point (100 kph, 90 m), estimate the stopping distance (in m) when braking from a speed of 120 kph. c. What is the absolute relative error of this estimate to the actual data (in %)? 20arrow_forwardI appreciate your help, thanks!arrow_forwardA 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 ftarrow_forward
- 2. Determine the distance traveled of a car using all data below: Time in mins. 1 2 3.25 4.5 Velocity, m/min 6 5.5 7 8.5arrow_forwardA car initially at a parking lot accelerates at 0.3 meters per second squared continuously, then begins to decelerate to a full stop by -0.5 meters per second squared after 2 minutes. Find the total distance that the car traveled. *arrow_forwardWrite your step by step solution.arrow_forward
- 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_forwardGiven: Radar indicates vehicle speed = 100 MPH Vrs = 100 MPH, β = 60 degrees V1 = Vehicle’s Actual Speed What is the vehicle’s actual speed? Vrs = V1 (cos β) = V1 (cosine error)arrow_forwardThe sliding viscometer shown below is used to measure the viscosity of a fluid. The top plate is moving to the right with a constant velocity of 22m/s in response to a force of 1N. The bottom plate is stationary. What is the kinematic viscosity of the fluid? Assume linear velocity distribution. 100 mm F V 50 mm 1 mmarrow_forward
- If all trucks travel at speed v', cars at speed v, and the fraction of vehicles passing a stationary observer that are trucks is p, what fraction of vehicles would be trucks on a photograph? If the length of a truck is twice that of a car, how many car lengths is the average vehicle on a photograph? Evaluate these for v' = 50 km/hr, v = 80 km/hr, and p = 0.7.arrow_forwardProblem#4: An object travels along a curved path as shown. If at the point shown its speed is 28.8 m/s and the speed is increasing at 8m/s?, direction of its velocity, and the magnitude and direction of its acceleration at a horizontal distance of 18m from point 0. determine the 28.8 m/sarrow_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_forward
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