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Determine the normal stress in section AB Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension The composite that consisting of aluminum, copper and steel sections, is subjected to the loading shown The cross-sectional areas of sections AB, BC and CD are An 0.10 in? Ano 0.14 in and Aco -0.07 in respectively. The modulus of elasticity for each section are shown in the figure. Neglect the size of the collars at B and C. Egure 1) 3 ? - 0.045 in Submit Previous A Best Answer * Incorrect: Try Again; 4 attempts remaining Figure 1 of 1 Part 3 Alum 10010 Copper 110) Steel 1910) Determine the normal stress in section BC Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension 0p 1,75 200 kg 1.50 kip D BA ? 0 50 p 1995 kip -361 18 in Value Units Part Determine the normal stress in section CD. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. HA ? OCD = - 30 ksi Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part D Determine the displacement of end A with respect to end D. Express your answer to three significant figures and include the appropriate units. HA ? 3 8110 - 7.58.10 in