North Allegheny School District

What is the angular acceleration of a phonograph turntable if it reaches its angular speed of 33 and a third . rev/min. in 0.25 seconds? A roulette wheel turning at 1.2 . rev/second. comes to rest in 18.0 seconds. What was the deceleration of the wheel? A centrifuge is accelerated from an angular velocity of 3000 . rev/min. to 8000 rev/min in ... ................
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