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Tangential Speed of Plane

  1. Feb 23, 2009 #1

    Calculate the time it takes a plane travelling at a constant tangential speed of 110 m/s., to fly once around a circle whose radius is 2850m.


    The formula for tangential speed is
    v = r.w or v = r.2.Pi/T so
    110 = 2850.2.Pi/T
    T = 162.8
     
  2. jcsd
  3. Feb 23, 2009 #2

    lanedance

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    is this a question?
     
  4. Feb 23, 2009 #3
    Yes this is a question with an answering to it.
    I want to know is it ture?
     
  5. Feb 23, 2009 #4

    lanedance

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    looks good to me

    what your doing in the equations is effectively fiinding the circumference C = 2.pi.r the diving this by the speed to find time to do one full revolution
    so
    C = 17907.1m
    T = C/v = 162.8s
     
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