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A compact disk, which has a diameter of 12.0 cm, speeds up uniformly from zero to...

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Physics

A compact disk, which has a diameter of 12.0 cm, speeds upuniformly from zero to 4.30rev/s in 3.15s .

Part A

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

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