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The angular speed of digital video discs (DVDs) varies with whether the inner or outer part...

The angular speed of digital video discs (DVDs) varies with whether the inner or outer part of the disc is being read. (CDs function in the same way.) Over a 129 min playing time, the angular speed varies from 564 rpm to 1610 rpm .

Assuming it to be constant, what is the angular acceleration (in rad/s2) of such a DVD?

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Answer #1

chan en DVDICD lo46 Pm 129 min = 7740 sec 774o Sec

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