Posted by Marie :) on Friday, September 2, 2011 at 1:31am.
If a flywheel is 3 feet in diameter and if a belt over the wheel is traveling at the rate of 3000 feet per minute, find the number of revolutions of the wheel per minute.

trigonometry  Reiny, Friday, September 2, 2011 at 8:20am
same kind of problem here
http://www.jiskha.com/display.cgi?id=1314932124
Just change the numbers

trigonometry  Reiny, Friday, September 2, 2011 at 8:26am
actually a bit different, ....
one rotation covers 3π feet
number of rotations = 3000/(3π) = 1000/π or appr 318.3 times per minute
check:
318.3 rmp times 3π = 3000 feet
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