Two automobiles A and B are approaching each other in adjacent highway lanes. At t = 0, A and B are 3200 ft apart, their speeds are VA = 65 mi/h and VB = 40 mi/h, and they are at points P and Q respectively. Knowing that A passes point Q 40 s after B was there and that B passes point P 42 s after A was there, determine (a) the uniform accelerations of A and B. (b) when the vehicles pass each other, (c) the speed of B at that time.
Two automobiles A and B are approaching each other in adjacent highway lanes. At t = 0, A and B are 3200 ft apart, their speeds are VA = 65 mi/h and VB = 40 mi/h, and they are at points P and Q respectively. Knowing that A passes point Q 40 s after B was there and that B passes point P 42 s after A was there, determine (a) the uniform accelerations of A and B. (b) when the vehicles pass each other, (c) the speed of B at that time.
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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Question
Two automobiles A and B are approaching each other in adjacent
highway lanes. At t = 0, A and B are 3200 ft apart, their speeds
are VA = 65 mi/h and VB = 40 mi/h, and they are at points P and
Q respectively. Knowing that A passes point Q 40 s after B was
there and that B passes point P 42 s after A was there, determine
(a) the uniform accelerations of A and B. (b) when the vehicles
pass each other, (c) the speed of B at that time.
![65 mi/h
40 mi/h
3200 ft](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7db022a0-54c0-473c-810f-8faa2c8fbb1e%2F76afb77b-df25-4303-b702-a42b4ef5b018%2Fjz8wr0e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:65 mi/h
40 mi/h
3200 ft
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