Question: Each bar is 10 in. long and has a solid circular cross section. Bar A has a diameter of 1 in. and its shear modulus

Each bar is 10 in. long and has a solid circular cross section. Bar A has a diameter of 1 in. and its shear modulus is 6 x 106 psi. Bar B has a diameter of 2 in. and its shear modulus is 3. 8 x 106 psi. The ends of the bars are separated by a small gap. The free end of bar A is rotated 2 about the bar's axis and the bars are welded together. What are the magnitudes of the angles of twist (in degrees) of the two bars afterward? B

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