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May 29, 2015

Homework Help: physics

Posted by mymi on Friday, October 21, 2011 at 12:08am.

The motor of a fan turns a small wheel of radius rm = 1.60 cm.This wheel turns a belt, which is attached to a wheel of radius rf = 2.90 cmthat is mounted to the axle of the fan blades. Measured from the center of this axle, the tip of the fan blades are at a distance rb = 11.0 cm.When the fan is in operation, the motor spins at an angular speed of = 1200 rpm. What is the tangential speed of the tips of the fan blades?

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