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    sol15's Avatar
    sol15 Posts: 1, Reputation: 1
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    #1

    May 17, 2012, 11:34 PM
    Math, so hard...
    A gear of radius 4.6 centimeters turn at 3 revolutions per second. What is the linear velocuity of the gear in centimeters per second?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    May 18, 2012, 05:52 AM
    Quote Originally Posted by sol15 View Post
    A gear of radius 4.6 centimeters turn at 3 revolutions per second. What is the linear velocuity of the gear in centimeters per second?
    You can use the relationship:



    where is the speed of rotation in radians/second, and is the radius of rotation. Don't forget to convert 3 rev/sec into radians/sec. Post back with your answer and we'll check it for you.
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