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Simple Harmonic motion

  1. Mar 27, 2012 #1
    1. The problem statement, all variables and given/known data

    These questions are regarding water undergoing SHM in a u-tube.

    Q1) What is the effect on the time period and damping in a u-tube when using oil instead of water?

    Q2) What is the effect on the time period if the liquid (inside the u tube) is heated?

    Q3) How can the internal diameter of the u-tube affect successive amplitudes of oscillations? Devise a suitable experiment.

    2. Relevant equations

    N/A

    3. The attempt at a solution

    Q1) T is unchanged; oil is more viscous so friction between inside of tube is greater thus oscillations die away quickly.

    Q2) Heating water makes it expand; length of water increases; T increases.

    Q3) I think the ratio between successive amplitudes should be the same... could plotting T against D (diamter) and observing the relationship be sufficient?

    Are these right? Can someone please expand on them?

    Many thanks.
     
  2. jcsd
  3. Apr 18, 2012 #2
    Bump!!! Come on guys!
     
  4. Apr 19, 2012 #3
    anyone...?
     
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