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OpenStudy (anonymous):
A 1.4-inch-diameter pulley on an electric mo- tor that runs at 1241 rev/min is connected by a belt to a 4-inch-diameter pulley on a saw arbor. a) Find the angular speed of the motor pulley. Answer in units of rad/min
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OpenStudy (ybarrap):
There are 2pi radians per revolution or 2pi radians/1revolution 1,241 rev/min * 2pi rad/rev = 1,241* 2pi rad/min =2,482 pi rad/min
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