A load of (45 mathrm{kN}) is transmitted through a slab to a composite solid steel cylinder (left(A_{s}=15 mathrm{~cm}^{2} ight)) and hollow copper cylinder (left(A_{c}=20 mathrm{~cm}^{2}

A load of \(45 \mathrm{kN}\) is transmitted through a slab to a composite solid steel cylinder \(\left(A_{s}=15 \mathrm{~cm}^{2}\right)\) and hollow copper cylinder \(\left(A_{c}=20 \mathrm{~cm}^{2}\right)\). After the application of the load the temperature was increased by \(30^{\circ} \mathrm{C}\). Determine the distribution of load before and after the change in temperature. \(E_{s}=2 E_{c}=200 \mathrm{GPa}, \alpha_{\mathrm{s}}=12.5 \times 10^{-6} \mathrm{per}^{\circ} \mathrm{C}, \alpha_{\mathrm{c}}=16.5 \times\) \(10^{-6} \mathrm{per}^{\circ} \mathrm{C}\).