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Determine the total pull exerted by the cold bar and the intensity of stress in it. Use E = 200 GPa

Determine the total pull exerted by the cold bar and the intensity of stress in it. Use E = 200 GPa

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A steel bar 40mm diameter and 3.2m long is raised in temperature through 60 deg C, after which its ends are firmly secured. After cooling to normal temperature again, the length of the bar is found to be 1.2mm less than when at its highest temperature. Determine the total pull exerted by the cold bar and the intensity of stress in it. Use E = 200 GPa and a = 0.000011/deg C.
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