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Some Explanation with Rigid Rotator

  1. Nov 21, 2009 #1
    Can anybody explain me .About Rigid Rotator.Kindly let me know the idea.Any help would be
    highly appreciated.
     
  2. jcsd
  3. Nov 22, 2009 #2

    Danger

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    Gold Member

    I doubt that I can be of any help to you, but I have a request for clarification. Are you referring to a helicopter rotor set, or something else?
     
  4. Nov 22, 2009 #3

    tiny-tim

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    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi firoz.raj! Welcome to PF! :smile:

    Yes, you really do need to be more specific.

    What do you mean by "Rigid Rotator"? :confused:
     
  5. Nov 22, 2009 #4
    Re: Welcome to PF!

    i need to Understood the following Expression.Kindly let me know step by step.

     

    Attached Files:

  6. Nov 22, 2009 #5

    tiny-tim

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    ok, I understand now. :smile:

    "rigid rotor" simply means that r is constant, and only θ and φ vary.

    So when we transform from Cartesian to polar coordinates, ∂/∂r = zero, and every ∂/∂r can be omitted, leaving only ∂/∂θ and ∂/∂φ, as shown in your picture.
     
  7. Nov 22, 2009 #6
    rigid rotor" simply means that r is constant, and only θ and φ vary.

    Sir,
    i need to Give BS(Physics) Final Year examination.i think this is not a Appropriate Explanation
    in My Case.Simple r is Const.and only θ And φ will be vary.i need Good Explanation.Sorry this
    is really small question but i will ask.Additional if possible kindly tell me any example also for
    Rigid Rotator.
     
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