A pulley having a 5.0-cm radius is turning at 30 rev/s about a central axis. It is
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A pulley having a 5.0-cm radius is turning at 30 rev/s about a central axis. It is slowed down uniformly to 20 rev/s in 2.0 s. Calculate
(a) The angular acceleration of the pulley,
(b) The angle through which it turns in this time, and
(c) The length of belt it winds in that same time.
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Because the pulley is decelerating we can anticipate that a will b...View the full answer
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