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January 25, 2015

January 25, 2015

Posted by **Kim** on Tuesday, September 11, 2007 at 10:33pm.

- trig -
**drwls**, Wednesday, September 12, 2007 at 2:16amA 21 inch diameter wheel had a radius of R = 10.5 cm. The speed in inches per second is R*(angular speed) = 346.5 inch/s = 28.9 ft/s.

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