copper tube with circular cross section has length L = 1.85 m, thickness t = 3 mm, and shear modulus of elasticity G = 45 GPa. The bar is designed to carry a 350 N · m torque acting at the ends. A horizontal, prismatic, hollow tube has circular cross section. The tube experiences a torque T acting to the left at the left end, and another torque T acting to the right on the right end. The cross section has outer diameter d and thickness t between the outer surface and the hollow

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter3: Torsion
Section: Chapter Questions
Problem 3.3.4P: A copper tube with circular cross section has length L = 1.25 m, thickness t = 2 mm, and shear...
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A copper tube with circular cross section has length L = 1.85 m, thickness t = 3 mm, and shear modulus of elasticity G = 45 GPa. The bar is designed to carry a 350 N · m torque acting at the ends. A horizontal, prismatic, hollow tube has circular cross section. The tube experiences a torque T acting to the left at the left end, and another torque T acting to the right on the right end. The cross section has outer diameter d and thickness t between the outer surface and the hollow interior. If the allowable shear stress is 25 MPa and the allowable angle of twist between the ends is 2.5°, what is the minimum required outer diameter d (in mm)?

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