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Math Help - Angular velocity

  1. #1
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    Smile Angular velocity

    A truck driver travels at 60 mph. The truck tires have a diameter of 26 inches. What is the angular velocity of the wheels in revolutions per second?
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  2. #2
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    Quote Originally Posted by Joanie View Post
    A truck driver travels at 60 mph. The truck tires have a diameter of 26 inches. What is the angular velocity of the wheels in revolutions per second?
    60 mph = 1056 in/sec

    r = 13 in

    \omega = \frac{v}{r}

    the above equation will get you the angular velocity, \omega , in radians per second ... you'll have to convert it to revolutions per second ... note that there are 2\pi radians in one revolution.
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    Smile Thank You.

    Hi Skeeter--

    Thanks so much. You have been very helpful.
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