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Physics, 30.12.2019 23:31 adkinsryan72
Arecord is dropped vertically onto a freely rotating (undriven) turntable. frictional forces act to bring the record and turntable to a common angular speed. if the rotational inertia of the record is 0.54 times that of the turntable, what percentage of the initial kinetic energy is lost?
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Arecord is dropped vertically onto a freely rotating (undriven) turntable. frictional forces act to...
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