A horizontal torque=10.0 Nm is applied at the edge of the top face of a hollow cylindrical rod. The base of the rod is fixed to the surface. The outer radius of the cylinder is ro=0.040 m and the inner radius is ri =0.020 m. The shear modulus of the material used to produce the rod is 3.0 x 10⁷ N/m² . If the hollow rod twists by an angle of 0.250 rad. what is the length of the cylinder in m?

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We can use the formula for the twist of a cylindrica... View the full answer