Physics, 11.03.2020 05:28 hunterpenningtouoie8
A record player turntable initially rotating at 3313 rev/min is braked to a stop at a constant rotational acceleration. The turntable has a rotational inertia of 0.031kg?m2 . When it is switched off, it slows down to 75% of its initial rotational speed in 4.0 s.
A. How long does it take to come to rest?
B. How much work has to be done on the turntable to bring it to rest?
Answers: 2
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A record player turntable initially rotating at 3313 rev/min is braked to a stop at a constant rotat...
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