Physics, 22.04.2020 03:09 elizabethg56

A disk of mass 2M and radius R is freely spinning in space at a constant speed ω when a second disk of mass M and radius R with no angular speed is carefully dropped on top such that the centers of the disks align. Friction causes the two items to move together as one. What is the new angular speed of the pair?

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A disk of mass 2M and radius R is freely spinning in space at a constant speed ω when a second disk...