The tensile stress in a thick copper bar is 99.5% of itselastic breaking point of 13.0 3

Chapter 17, Problem 56

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The tensile stress in a thick copper bar is 99.5% of itselastic breaking point of 13.0 3 1010 N/m2. If a 500-Hzsound wave is transmitted through the material, (a) whatdisplacement amplitude will cause the bar to break?(b) What is the maximum speed of the elements ofcopper at this moment? (c) What is the sound intensityin the bar?

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