The shaft is made of L2 tool steel, has a diameter of 40 mm, and is fixed at its ends A and B. (Figure 1) Part A It is subjected to the torque T = 1.9 kN-m. Determine the maximum shear stress in region AC. Express your answer to three significant figures and include appropriate units. HA ? (Tmax) AC = Value Units Submit Request Answer Part B Determine the maximum shear stress in region CB. your ans to three significant s and include appropriate units. HA ? (Tmax) BC = Value Units Figure 1 of 1 Submit Request Answer B Provide Feedback 600 mm 800 mm