Extracted text: Determine the stress in each of the two vertical rods if the temperature rises 50 °C after the load P-75 KN is applied. Neglect the deformation and mass of the horizontal bar AB. Use Ea = 75 GPa, as=23.0 um/m °C. Aa 850 mm2 Es 210 GPa, as = 11.9 um/m.°C and As 650 mm2. %3D Steel Aluminum 2.5m 3m 3m 3 m 3m 75 kN