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An optical disk drive in your computer can spin a disk at up to 10,000 rpm. If a particular disk is spun at 8690 rpm 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 12.0 cm in diameter, what is the magnitude of the linear acceleration of a point 1/11 of the way out from the center of the disk?

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