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The bar ABC consists of two cylindrical segments with diameters shown in figure. if the strain in segment AB is 0.0005, Find the modulus

The bar ABC consists of two cylindrical segments with diameters shown in figure. if the strain in segment AB is 0.0005, Find the modulus of elasticity for this segment 20 KN 50 mm 25 mm t|c B -400 mm-300 mm - 20 KN

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