A top-loading washing machine has a cylindrical tub that rotates about a vertical axis. The tub...

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Physics

A top-loading washing machine has a cylindrical tub that rotatesabout a vertical axis. The tub of one such machine starts from restand reaches an angular speed of 2.0 rev/s in 7.0 s. The lid of themachine is then opened, which turns off the machine, and the tubslows to rest in 11.0 s. Through how many revolutions does the tubturn during this 18 s interval? Assume constant angularacceleration while it is starting and stopping.

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4.2 Ratings (470 Votes)
Consider the starting phaseFinal angular    See Answer
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