A prismatic bar with a length L = 1 m and cross-sectional area A = 1200 mm2 is supported at the ends. The bar is then subjected to a temperature increase of ?T = 25?C. Calculate the complete state of stress acting on an inclined section rs that is cut through the bar at an angle \theta = 45?. Use E = 200 GPa and the coefficient of thermal expansion \alpha = 12 x 10-6 / ?C.

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