5. A uniaxial tensile test was carried out on an aluminum bar and the results are...

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5. A uniaxial tensile test was carried out on an aluminum bar and the results are in Table 1. Stress, σ (MPa) Strain, & (MPa) 140 120 Using Python, conduct linear regression analysis¹ to estimate the modulus of elasticity (E) of the bar according to E = o/ɛ. Summarize the results with a plot identical to Figure 3². 100 8 40 20 34.5 0.46.10-3 0 0.0 69.0 0.95-10-3 0.5 103.5 1.48.10-3 E = 7.13E+04 MPa, R² = 0.9998 10 ε (10-³) 15 2.0 138.0 1.93.10-³ Figure 3. Stress-strain results for test on aluminum bar. 5. A uniaxial tensile test was carried out on an aluminum bar and the results are in Table 1. Stress, σ (MPa) Strain, & (MPa) 140 120 Using Python, conduct linear regression analysis¹ to estimate the modulus of elasticity (E) of the bar according to E = o/ɛ. Summarize the results with a plot identical to Figure 3². 100 8 40 20 34.5 0.46.10-3 0 0.0 69.0 0.95-10-3 0.5 103.5 1.48.10-3 E = 7.13E+04 MPa, R² = 0.9998 10 ε (10-³) 15 2.0 138.0 1.93.10-³ Figure 3. Stress-strain results for test on aluminum bar.

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