13. A composite rod is axially loaded as shown. It is mounted rigidly at the wall and a single load P of 25.0 kN is applied at the end. Using the values shown below determine the following (20 points]. Report your answers to 3 significant figures for (a) , (b) and (d). Report 4 significant figures for (c). a. What is the stress in the aluminum? Give the answer in Pascals. b. What is the stress in the brass? Give the answer in Pascals. c. What is the final length of the composite rod? d. What is the factor of safety against yield for the Aluminum? Dimensions Material Properties Area Length Modulus of Yield Stress (mm?) (mm] Elasticity (GPa) (MPa Aluminum 500 300 72.5 260 Brass 300 650 109 420 Aluminum Brass Answer (a) (b (c) (d)