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Vector Mechanics for Engineers 10th Edition Solutions Manual
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Vector Mechanics for Engineers 10th Edition Solutions Manual by Beer Complete and Comprehensive Guide
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,CHAPTER 11,
, PROBLEM 11.CQ1
A bus travels the 100 miles between A and B at 50 mi/h and then another
100 miles between B and C at 70 mi/h. The average speed of the bus for the
entire 200-mile trip is:
(a) more than 60 mi/h
(b) equal to 60 mi/h
(c) less than 60 mi/h
SOLUTION
The time required for the bus to travel from A to B is 2 h and from B to C is 100/70 = 1.43 h, so the total time
is 3.43 h and the average speed is 200/3.43 = 58 mph.
Answer: (c)
PROPRIETARY MATERIAL. © 2013 The McGraw-Hill Companies, Inc. All rights reserved. No part of this Manual may be displayed,
reproduced or distributed in any form or by any means, without the prior written permission of the publisher, or used beyond the limited
distribution to teachers and educators permitted by McGraw-Hill for their individual course preparation. If you are a student using this Manual,
you are using it without permission.
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