Determine the horizontal and vertical deflection of joint \(C\) of the truss in Figure P8.11.

In addition to the load at joint \(C\), the temperature of member \(B D\) is subject to a temperature increase of \(60^{\circ} \mathrm{F}\). For all bars, \(E=29,000\) kips/ in. \(^{2}, A=4\) in. \({ }^{2}\), and \(\alpha=6.5 \times 10^{-6}\) (in./in.)/ \({ }^{\circ} \mathrm{F}\).

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20 15'- 80 kips 15- D