Problem 2 Civil Engineering students requires them 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 ve = 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 constant. Determine (a) the relative velocity (in mph) of B with respect to 4, draw the vector triangles as part of vour answer (b) the change in position (in ft) 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 Civil Engineering students requires them 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 ve = 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 constant. Determine (a) the relative velocity (in mph) of B with respect to 4, draw the vector triangles as part of vour answer (b) the change in position (in ft) 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.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 51P: In an attempt to escape a desert island, a castaway builds a raft and sets out to sea. The wind...
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![Problem 2
Civil Engineering students requires them
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
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.
z +](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6147e870-8843-4177-9e98-100e6b649907%2F6c9116ce-d318-40b4-abe4-f92db5dd8395%2F1c6nugc_processed.png&w=3840&q=75)
Transcribed Image Text:Problem 2
Civil Engineering students requires them
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
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.
z +
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