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(Solved): A compact disk, which has a diameter of 12.0 cm, speeds up uniformly from zero to 4.50 rev/s in 3.20 ...



A compact disk, which has a diameter of 12.0 cm, speeds up uniformly from zero to 4.50 rev/s in 3.20 s.

Part A

What is the tangential acceleration of a point on the outer rim of the disk at the moment when its angular speed is 2.00 rev/s

Part B

What is the tangential acceleration of a point on the outer rim of the disk at the moment when its angular speed is 3.00 rev/s?



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Given:Diameter=12cmSpeed=45rev/sTime t=3.2s
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