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Part C. Problems Determine the answer for the question provided. Show all reasoning/work for partial credit....

Part C. Problems Determine the answer for the question provided. Show all reasoning/work for partial credit. Each problem is worth 10 points and this section is worth 50 points. A record player turntable rotating at 33 1/3 rev/min is braked to a stop at constant rotational acceleration. The turntable has a rotational inertia of .027 kg m2. When it is switched off, it slows down to 75% if its initial rotational speed in 3.5s. 1. How long does it take to come to rest? How much work has to be done on the turntable to bring it to rest? a. b. (0 (44 2. K( (1149,18 2

Part C. Problems Determine the answer for the question provided. Show all reasoning/work for partial credit. Each problem is worth 10 points and this section is worth 50 points. A record player turntable rotating at 33 1/3 rev/min is braked to a stop at constant rotational acceleration. The turntable has a rotational inertia of .027 kg m2. When it is switched off, it slows down to 75% if its initial rotational speed in 3.5s. 1. How long does it take to come to rest? How much work has to be done on the turntable to bring it to rest? a. b. (0 (44 2. K( (1149,18 2
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