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
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
318.3 rmp times 3π = 3000 feet