Unformatted text preview: multiplying the value in miles per hour by 1hour/60 minutes, the miles is converted to feet by multiplying by the ratio of 5280feet/mile, this gives us a value of speed in feet per minute. This value is converted to rotations per minute by dividing the speed in feet per minute by the circumference which is measured in rotations per foot, the feet cancel leaving rotations per minute....
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- Fall '10
- Self number, 60 minutes, 1hour, RPMS, 5280feet, Karl Schemmer