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Max possible error

  1. Oct 13, 2016 #1
    1. The problem statement, all variables and given/known data
    i suspect the possible error of 100cm/192cm = 1m /192 m is wrong , IMO , it should be 1m /1.92m , right ?

    2. Relevant equations


    3. The attempt at a solution
     

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  3. Oct 13, 2016 #2

    haruspex

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    It is not 100cm/192cm. It is (100/192) cm, which is (1/192) m.
     
  4. Oct 13, 2016 #3
    why ? i still didnt get it ? could you explain further ?
     
  5. Oct 13, 2016 #4
    why not (1 / 1.92 ) m ?
     
  6. Oct 13, 2016 #5

    haruspex

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    It is not a fractional error, like 100 parts in 192 parts, which would be over 50%. It is an absolute error of the distance (100/192)cm, or a bit over 0.5cm. Why they would choose to express it that way I have no idea.
     
  7. Oct 13, 2016 #6

    haruspex

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    Because that would be over 50cm, 100 times the error.
     
  8. Oct 13, 2016 #7
    do you mean it's 100/192 = 0.52cm = 0.0052m (1/192) ?
     
  9. Oct 13, 2016 #8

    haruspex

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    Yes.
     
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