A composite shaft consists of an aluminum jacket “t” mm thick and a steel core 50 mm in diameter. The maximum allowable angle of twist is 1 degree. The shaft can only carry a torque of 1.2 kN-m. Determine the value of t. Use Gsteel = 80 GPa and Galuminum= 40 GPa. a) Determine the maximum shearing stresses of aluminum b) Determine the maximum shearing stress of steel c) Determine the value of “t”

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