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Question on a bike

Ai Xu Oh2010-04-01 02:10:13 +0000 #1
bike tire outside diameter is 71 cm, if the average transfer of 100 laps per minute, through a 1100 m long bridge, about a few minutes? ?
overload12342010-04-01 02:20:14 +0000 #2
perimeter 3.14 * 71/100 = 2.2294m

Time 1100 / (2.2294 * 100) = 4.93min

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