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Circumference of circle =2 Pi r =2Ã—3.142x12=75.408 75.408 in 2800 revolutions per minute=75.408Ã—2800 =211142.4Ã·100=2111.424 Speed= DistanceÃ·Time S=2111.424Ã·60 S=35.1904 S=35.2m/s

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