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(Solved): A flywheel rotates without friction at an angular velocity 0=50rad/s. A second flywheel, which ...
A flywheel rotates without friction at an angular velocity ?0?=50rad/s. A second flywheel, which is at rest, is dropped onto it. The bottom flywheel has a moment of inertia 3.5 times that of the top one. Use the law of conservation of angular momentum to calculate the angular velocity ? of the combination.