Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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The steel rails of a railroad track are laid in the winter at a temperature of 15 degrees fahrenheit with gaps of 0.01 feet between the ends of the rails. Each rail is 33 feet long. At what temperature will the rails touch end to end? What stress will result in the rails if the temperature rises to 110 degrees fahrenheit?

Answer: 9,434.1 psi.

I'm not sure how to come up with this answer. Could you help me work this problem out step by step please?

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