Homework Help: physics

Posted by Anonymous on Friday, October 29, 2010 at 3:35pm.

A ceiling fan of radius 30 cm runs at 76 rev/min. How far does the tip of the fan blade travel in 2 hour(s)?

physics - bobpursley, Friday, October 29, 2010 at 6:30pm
displacementin rev= 76rev/min*2hrs(60min/hr)

displacement in distance= revs*.30m*2PI

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