Extracted text: Compound axial member ABC has a uniform diameter of d = 2.1 in. Segment (1) is an aluminum [E1 = 10,000 ksi] alloy and segment (2) is a copper [E2 = 17,000 ksi] alloy. The lengths of segments (1) and (2) are L1 = 74 in. and L2 = 135 in., respectively. Determine the force P required to stretch compound member ABC by a total of 0.40 in. %3D L1 L2 A d Aluminum В (2) Copper Answer: kips P = i