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Tangential speed

  1. Jan 29, 2009 #1
    1. The problem statement, all variables and given/known data
    I thought this would be an easy question for me, but I cant figure it out.
    "What is the tangential speed of a passenger on a Ferris wheel that has a radius of 10 meters and rotates once every 30 seconds?"

    2. Relevant equations

    Tangential speed = rotational speed x radial distance

    3. The attempt at a solution

    Tangential speed = 2RMP x 10 meters
    = 20......what units? Not m/sec, not RPM.....
    I figured the circumference is 62.83 meters x 2RPM = 125 meters per minute
  2. jcsd
  3. Jan 29, 2009 #2
    With the information that it's 2RPM, you can very easily find the angluar velocity, ω. I'd use that as a starting point to finding the tangential velocity.
  4. Jan 29, 2009 #3
    That doesn't help...
    thanks though
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