dumjevin dumjevin

26-01-2015
Mathematics

Answered

A ceiling fan has

20

-inch blades (so the radius of the circular fan is

20

inches). Suppose the linear speed of the tip of a blade is

10

feet per second.

Verified Answer :

26-01-2015

OK. Got it ! So the fan is spinning at about 57.296 revolutions per minute.

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