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Question: a diskshaped flywheel of uniform density p outer radius r...

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A disk-shaped flywheel, of uniform density p, outer radius R, and thickness w, rotates with an angular velocity o, in rad/s. Show that the moment of inertia, I-opr2dV, can be expressed as 1 the kinetic energy can be expressed as KE /2. a. πρwR4/2 and vol b. For a steel flywheel rotating at 3000 RPM, determine the kinetic energy, in N m, and the mass, in kg, if R 0.38 m and w 0.025 m.

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