The block is fitted between the fixed supports. If the glued joint can resist a maximum shear stress of \(\tau_{\text {allow }}=2 \mathrm{ksi}\), determine the temperature rise that will cause the joint to fail. Take \(E=10\left(10^{3}\right) \mathrm{ksi}, u=0.2\). Add the thermal strain \(\alpha \Delta T\) to the equations for Hooke's law.

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