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A copper collar is to fit tightly about a steel shaft whose diameter is 7.0000 cm...

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Physics

A copper collar is to fit tightly about a steel shaft whosediameter is 7.0000 cm at 20° C. The inside diameter of the coppercollar at that temperature is 6.9760 cm. After the collar is heatedand fitted about the steel shaft, it begins to cool. What is thetensile stress in the copper collar when its temperature returns to20° C?

____________________N/m2

Answer & Explanation Solved by verified expert
3.8 Ratings (350 Votes)
Lco original diameter of copper collar at 20 C 69760 cmLso original diameter of steel shaft at 20 C 70000 cmc    See Answer
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