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EXERCISESsteel wire of length 4.7 m and cross-sectional area 3.0 x 10-5 m2 stretme amount as a copper wire of length 3.5 m and cross-sectional area of 4.0der a given load. What is the ratio of the Young's modulus of steel to that ofchesure 9.11 shows the strain-stress curve for a given material. What are (a)dulus and (b) approximate yield strength for this material?

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