Question
If a flywheel 8 ft. in diameter rotates at 80 rpm., what is the linear velocity of a point on the outside edge, in feet per minute in terms of pi?
Answers
C = πd = 8π feet. So, the linear speed around the edge is
8π ft * 80/min = 640π ft/min
8π ft * 80/min = 640π ft/min
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