A project by some 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 south at vg = 55 mph , minivan A passes through at VA = 70 mph on the road that runs at an angle = 60 ° east of north . The speed of each automobile is 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 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
A project by some 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 south at vg = 55 mph , minivan A passes through at VA = 70 mph on the road that runs at an angle = 60 ° east of north . The speed of each automobile is 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 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
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A project by some 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 south at vg = 55 mph , minivan A passes through at VA = 70 mph on the road that runs at an angle = 60 ° east of north . The speed of each automobile is 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 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
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