Physics, 10.03.2020 06:12 AgentPangolin
Disk A, with a mass of 2.0 kg and a radius of 60 cm , rotates clockwise about a frictionless vertical axle at 20 rev/s . Disk B, also 2.0 kg but with a radius of 40 cm , rotates counterclockwise about that same axle, but at a greater height than disk A, at 20 rev/s . Disk B slides down the axle until it lands on top of disk A, after which they rotate together. After the collision, what is their common angular speed (in rev/s) and in which direction do they rotate?
Answers: 2
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Disk A, with a mass of 2.0 kg and a radius of 60 cm , rotates clockwise about a frictionless vertica...
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