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Homework Help: Help you all can do this

  1. Sep 7, 2006 #1
    Help plz you all can do this

    i am a noob at this here it is


    1. Arecording timer makes 465 dots in 8.5s

    (A) calculate its period . i have this but i dont know (B)
    (B) Its actual period is 0.020s. calculate the percentage error


    we are using the T=sec
    ----
    cycles
    i am a noob at this
     
  2. jcsd
  3. Sep 7, 2006 #2

    J77

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    First rule, then: show some working...
     
  4. Sep 7, 2006 #3
    sorry i am not a pro like you but i suck at this but thjx for the help ass and i think it is 91 % but i am not 100%
     
  5. Sep 7, 2006 #4

    J77

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    You could at least show what you have for A

    btw: 91% is right - what's your working?
     
  6. Sep 7, 2006 #5
    thx man so 91 % is right kewl sorry for calling you a ass it sounded like you where being one
     
    Last edited: Sep 7, 2006
  7. Sep 7, 2006 #6

    J77

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    :biggrin:

    That's OK - I've just woke up :biggrin:
     
  8. Sep 7, 2006 #7

    J77

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    Actually, 91% isn't the percentage error.

    You're on the right lines tho' - if you got the 91%, you've got A, I presume...

    Now take the difference between your vale of A and the actual value given, then work out the percentage error
     
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