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OpenStudy (anonymous):
Help please? Medal! (: Find the measure of a central angle that intercepts an arc of 81.5 cm in a circle whose radius is 16.3 cm. A)5 rad B)16 rad C)65 rad A flywheel makes 240 revolutions per minute. What is the angular velocity expressed in radians? A)120π rad/min B)240π rad/min C)480π rad/min A circular gear turns 60° per hour. How many radians does it turn in a 24-hour day? A)4π rad/day B)6π rad/day C)8π rad/day
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