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Fun springs that Oscillate

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

    2. Relevant equations

    phase constant: y= Asin(wt +phi)
    3. The attempt at a solution
    2*sin(360) =0
    How does one approach this problem?
     
  2. jcsd
  3. Dec 4, 2014 #2

    berkeman

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    Staff: Mentor

    Welcome to the PF.

    The Relevant Equation that you list is not applicable. Look for an equation that relates the period of oscillation of a spring+mass system to the spring constant K and the mass m. (or else just derive the equation yourself from what you know about how springs and masses work...) :-)
     
  4. Dec 4, 2014 #3
    Now that I look at it closely. The answer has got to be C because each oscilation is the same as the previous.
     
  5. Dec 4, 2014 #4

    berkeman

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    Staff: Mentor

    I don't think so. Adding mass will slow down the oscillations...
     
  6. Dec 5, 2014 #5
    I see so the answer has got to be E since we know its the same cylinder it would reduce the time by twice.
     
  7. Dec 6, 2014 #6
    No. You need the equation which relates period and mass.
     
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