Problem 2 A project by some to monitor the traffic safety at a busy intersection. They measure (with a precision stopwatch) that exactly three seconds after car B passes through the intersection traveling south at vg = 55 mph, minivan A passes through at va = 70 mph on the road that runs at an angle 0 = 60° east of north. The speed of each automobile is Civil Engineering students requires them constant. VB Determine (a) the relative velocity (in mph) of B with respect to A, draw the vector triangles as part of your answer (b) the change in position (in fi) of B with respect to A during a 10-s interval, (c) the distance (in ft) between the two automobiles 3 s after A has passed through the intersection.

Problem 2 A project by some to monitor the traffic safety at a busy intersection. They measure (with a precision stopwatch) that exactly three seconds after car B passes through the intersection traveling south at vg = 55 mph, minivan A passes through at va = 70 mph on the road that runs at an angle 0 = 60° east of north. The speed of each automobile is Civil Engineering students requires them constant. VB Determine (a) the relative velocity (in mph) of B with respect to A, draw the vector triangles as part of your answer (b) the change in position (in fi) of B with respect to A during a 10-s interval, (c) the distance (in ft) between the two automobiles 3 s after A has passed through the intersection.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Which car showed greatest acceleration

A: Question is based on moving car's . Force on cars and angle between the forces are given in the…

Q: A breakdown of car N occurredresulting to completely stopping of this car. A driver in car M noticed…

A: Given data- Initial speed of Car 'M' (XY)=(u) = 50 km/hr Distance travelled by car M (S) = 200 m To…

Q: When crossing an intersection, a motorcyclist encounters the slight bump or crown caused by the…

Q: Consider the following diagram of one-way roads, with indicated traffic flow on some roads. Compute…

A: At every node, Traffic in = Traffic out At node A, x3 + x2 = x1 + 100 At node B, x1…

Q: 3. A driver takes 2.5 seconds to react to a complex situation while traveling at a speed of 40…

Q: Given a freeway flow study at a certain highway. The speed- density relationship is described in the…

A: aVs=60-0.48kat Freeflow speed k=0VFF=60kmphAt jam density VS=00=60-0.48kJKJ=125 veh per km

Q: Results of traffic flow studies on a highway indicate that the flow-density relationship can be…

A: Answer We are given a speed-density model Speed (mi/hr) Density(veh/mi) 56 19 54 24 45 44…

Q: The equation governing a body travelling in a water channel is given by the following equation and…

Q: Q2. Solve and choose the correct answer: 1. A driver takes 1.5 seconds to react to a complex…

Q: Referring to the following diagram, what is the maximum constant velocity the automobile could…

Q: Results of traffic flow studies on a highway indicate that the flow-density relationship can be…

Q: A car is stopped at an entrance ramp to a freeway; its driver is preparing to merge. At a certain…

Q: Required information At 3:00 P.M., a bank robber is spotted driving north on 1-15 at milepost 103.…

A: (1) At 3:00 PM bank robber is spotted driving north at milepost(Position 1) This…

Q: 1. Assume you are observing traffic in a single lane of a highway at a specific location. You…

Q: Three seconds after automobile B passes through the intersection shown, automobile A passes through…

A: Solution:Given:The speed of automobile A is vA=55mi/h=55.(1.46667)=80.67ft/sThe speed of automobile…

Q: After mall opening, the traffic volume (demand) in a certain road section (6-lane divided highway)at…

A: Step 1: Find free flowing speed-Free-flowing speed is typically the speed when the density ( k ) is…

Q: Problem 1. In deriving braking distance, we assume a constant acceleration/deceleration rate, a. In…

A: (a) Given:- Initial speed = 70 mph Acceleration is at=-1.8t To find:- Practical stopping distance…

Concept explainers

Intersection Design

An intersection is a location where two or more roads or railways meet or join. The traffic movement is controlled at the intersection that depends on its design and type. It governs the operation, efficiency, speed, capacity, and safety of the highways, airways, and railways. The movement of the pedestrian causes hazards and delays at the intersection.

Question

Problem 2
A project by some
to monitor the traffc safety at a busy intersection. They measwre
(with a precision stopwatch) that exactly three seconds after car B
passes through the intersection traveling south at vg = 55 mph,
minivan A passes through at va = 70 mph on the road that runs at
an angle 0 = 60° east of north. The speed of each automobile is
Civil Engineering students requires them
constant.
Determine
(a) the relative velocity (in mph) of B with respect to A,
draw the vector triangles as part of your answer
(b) the change in position (in fi) of B with respect to A during a 10-s interval,
(c) the distance (in ft) between the two automobiles 3 s after A has passed through the
intersection.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Having trouble please help!
Suppose that a car traveling to the west begins to slow down as it approaches a traffic light. Which of the following statements about its acceleration is correct? O Since the car is slowing down, its acceleration must be negative. The acceleration is toward the east. O The acceleration is toward the west. O The acceleration is zero.
In a certain accident investigation, the traffic enforcer tries to measure the length of the skid marks on the roadway and recorded it to be 36 m. Assuming the coefficient of friction between the roadway and the tires is 0.15 and the road is flat, what was the velocity of the car at the time the brakes were applied?
3) A vehicle is moving at 50 mph and suddenly sees an object. It applies the brakes and slows down to a speed of 15 mph. Calculate the following: a. Distance the vehicle would move before driver activates the brakes. (Use design PIEV time of 2.5 seconds) b. distance the vehicle moved after application of brakes to drop to 15 mph speed (assume constant Ideceleration rate of 11.2 ft/sec²)
We know that q=ku for traffic flow. If we measure speeds and densities at three points within a mile at the same time, which of the following is true? a. Average u will be the same at all three points b. Average k will be the same at all three points c. Average q (calculated) will be the same at all three points d. None of the above 6. 7. Headway is defined as the time between vehicles passing a fixed point on the road, measured from: a. Front bumper of first car to back bumper of second car b. Front bumper of first car to front bumper of second car c. Back bumper of first car to front bumper of second car d. None of the above
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
I just need help finding U_s and plotting speed versus density and volume versus speed, I will rate!
A train shown is traveling at a speed of 45mi/hr. A constant braking force of 4300 Ibs is applied to car B. A) What is the time required for the train to stop after the brakes are applied? B) What is the force in the coupling between the cars while the train is slowing down
Given a freeway flow study at a certain highway. The speed- density relationship is described in thegiven equation or relationship:V s = 60- 0.48kDetermine the following:a. Free-flow speed and jam densityb. Derive the equation describing flow and speed.c. Derive the equation describing flow and density.d. Determine the capacity of highway
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.
As shown in the figure below, determine the smallest radius that should be used for a highway if the normal component of the acceleration of a car traveling at 50 km/h is not to exceed 0.6 m/s?. B A
SHOW A FULL SOLUTIONAfter mall opening, the traffic volume (demand) in a certain road section (6-lane divided highway) at the peak hour is forecasted to be 5200vph. An accident blocks 1 lane of the highway. It took 15 minutes till the accident is cleared and capacity is fully restored. Use the following speeddensity relationship: u=112.81-1.75k (u is speed in kph and k is density in vpk/lane) to answer the following questions:a.) Determine the free-flowing speedb.) Compute for the shockwave between the free-flow state and the state where there is capacity reduction due to accident.c.) Compute for the shockwave between state when there is capacity reduction due to accident and the state where vehicles flow with full section capacity