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I Explain the formula, rpm unit conversion

  1. Jun 4, 2016 #1
    Revolutions(RPM) * Pi/30 = Angular velocity

    What is the purpose of pi/30 in the equation. Why can we not just use rpm as unit of measure of angular velocity?
     
  2. jcsd
  3. Jun 4, 2016 #2
  4. Jun 4, 2016 #3

    mfb

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    2017 Award

    Staff: Mentor

    In principle you can, but if you want to use it in formulas together with radians and seconds (e. g. to calculate the kinetic energy of a rotation object) you need a unit conversion.

    That would be a better way to write your equation:
    Revolutions(RPM) * Pi/30 = Angular velocity (rad/s)
     
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