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Physics, 26.01.2021 14:00 cbittlelindseypbbml5

A record is dropped vertically onto a freely rotating turntable. Frictional forces act to bring the record and turntable to a common angular speed. If the rotational inertia of the record is 0,50 fimes that of the turntable, what percentage of the initial kinetic energy is lost? Select one: O a. 66% O b. 33% O c. 75% O d. 18% O e. 46%

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A record is dropped vertically onto a freely rotating turntable. Frictional forces act to bring the...

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