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HELP PEndulum exp

  1. Aug 25, 2012 #1
    I Need help...I'm not getting the value of "g" correctly..plz someone help/
    This is a pendulum experiment to find "g".

    S L EL T TT T^2 G

    1 80 82.43 35 35/80?? (35/80)^2?
    2 70 72.43 33 33/70?? (33/70)^2?
    3 60 62.43 31 31/60?? same

    Plz help me find the value of g , time period and t^2.......i'm getting confused...or missing out something........nd not getting the reqd result...when i apply T^2 = 4(pi)^2/g formula/.....PLZ HELP!!!!!!!!!!
  2. jcsd
  3. Aug 25, 2012 #2
    EL =Effctive Length
    TT =Time Period
  4. Aug 26, 2012 #3
    What are all your variables/values and what exactly are you trying to solve?
    It looks like you have three trials with different values for everything but it isn't presented in a manner that makes sense without some more explanation.

    S is sample? L is length? T is time?
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