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A position versus time graph involving the unit circle

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  1. Dec 4, 2014 #1
    phys 3.png 1. The problem statement, all variables and given/known data


    2. Relevant equations
    v(x)t= -wAsin(w+o)

    3. The attempt at a solution
    -5(10)sin(0)= 0
    D
    is this the right procedure?
     
  2. jcsd
  3. Dec 4, 2014 #2

    haruspex

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    I'm not aware of any such equation. The equation you want is of the form x(t) = .
    No.
    The first step is to figure out the amplitude. Can you think how to read that off the graph?
     
  4. Dec 4, 2014 #3
    amplitude is 5
     
  5. Dec 4, 2014 #4

    haruspex

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    No. How did you arrive at that? How is the amplitude of an oscillation defined?
    Have you found a correct equation?
     
  6. Dec 5, 2014 #5
    I just saw the wavelength and assumed it was 5.
     
  7. Dec 5, 2014 #6
    This equation is wrong.
     
  8. Dec 5, 2014 #7

    haruspex

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    Amplitude is not wavelength. What do you think is meant by the amplitude of a wave?
    You still haven't provided any correct equations related to SHM. Don't you have any notes or textbooks? If not, read it up online.
     
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