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Posted by on Wednesday, December 26, 2012 at 9:41am.

A bicycle wheel, diameter 56 cm, is making 45 revolutions in every 10 seconds. At what speed, in kilometer per hour. Is the bicycle travelling?

  • Math - , Wednesday, December 26, 2012 at 10:40am

    45 rev/10sec * 56π cm/rev * 1km/100000cm * 3600sec/hr = 28.5 km/hr

  • Math - , Sunday, October 9, 2016 at 12:30am

    192

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