Physics, 14.11.2021 21:50 crystalclear99
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 131 min playing time, the angular speed varies from 578 rpm to 1620 rpm . Part A Assuming it to be constant, what is the angular acceleration (in rad/s2) of such a DVD
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