Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 17 - For Thought and Discussion: 16

Answer

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Work Step by Step

The coefficient of linear expansion is lower for steel than it is for brass. This means that the brass will expand more quickly, meaning that it will end up being longer. The only shape that will allow this to happen is a circular shape with the steel (which is shorter) on the inside and the brass on the outside.
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