Monday
August 31, 2015

Homework Help: Physics

Posted by Amanda on Monday, May 4, 2009 at 10:46pm.

Ans in revs.
The tub of a washer goes into its spin-
dry cycle, starting from rest and reaching an
angular speed of 5 rev/s in 10.5 s . At this
point the person doing the laundry opens the
lid, and a safety switch turns off the washer.
The tub slows to rest in 5.6 s .
Through how many revolutions does the
tub turn? Assume constant angular accelera-
tion while it is starting and stopping. Answer
in units of rev.

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