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English, 22.07.2019 19:30 jandrew2052
Assume that the turntable deccelerated during time δt before reaching the final angular velocity ( δt is the time interval between the moment when the top disk is dropped and the time that the disks begin to spin at the same angular velocity). what was the average torque, ⟨τ⟩, acting on the bottom disk due to friction with the record? express the torque in terms of it, ωi, ωf, and δt.
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Assume that the turntable deccelerated during time δt before reaching the final angular velocity ( δ...
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