Physics, 24.06.2019 01:10, jm832098

Asystem consists of a disk of mass 2.87 kg and radius 50 cm upon which is mounted an annular cylinder of mass 2.03 kg with inner radius 20 cm and outer radius 30 cm (see below). the system rotates about an axis through the center of the disk and annular cylinder at 18.6 rev/s. what is the systems rotational kinetic energy?

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Asystem consists of a disk of mass 2.87 kg and radius 50 cm upon which is mounted an annular cylinde...