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A disk in an aircraft engine spins at an angular velocity,w. The disk has an inner radius of Ri and an outer radius of Ro.

A disk in an aircraft engine spins at an angular velocity,w. The disk has an inner radius of Ri and an outer radius of Ro. (Part A) Develop and expression for the stresses experienced at the radius R. (Part B) What are the typical dimensions and speed of Inconel 718 aircraft disks? Use your formula in Part A to provide a sample calculation of the stress(s) developed in the spinning disk.

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