Give me the solutions of this please. The answers are:
Ans. 8,627.5 psi, 31,416 psi
Ans. 0.32 in
Extracted text: Compute the displacement D/A of bar shown below. The material used is the copper and its other properties are as in?, follows, Aab=Abc= 4 in², Acd=2 E=15x10³ ksi. В 8 kip C4 kip D 20 kip 8 kip 4 kip - 2 ft 2 ft 2 ft Figure 4