Find the magnitude of average angular acceleration of disk

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An optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad / s). If a particular disk is spun at 675.4 rad / s while it is being read, and then is allowed to come to rest over 0.301 seconds, what is the magnitude of the average angular acceleration of the disk?

If the disk is 0.12 m in diameter, what is the magnitude of the linear acceleration of a point 1/7 of the way out from the center of the disk?

Reference no: EM13267091

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