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Simple Conversion Problem

  1. Feb 28, 2008 #1

    chrisama

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    1. The problem statement, all variables and given/known data
    How would I convert 20Joules/sm^2 into 20J/dm^2?


    2. Relevant equations

    I would probably do some sort of proportion.

    3. The attempt at a solution

    1 day= 86,400 seconds. So, would I either divide by seconds or multiply by seconds?
     
    chrisama, Feb 28, 2008
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  3. Feb 28, 2008 #2

    Kurdt

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    If you want to convert 20 J/sm2 then you wouldn't get 20 J/dm2.

    You would multiply by 86 400s and get some number other than 20.
     
    Kurdt, Feb 28, 2008
  4. Feb 28, 2008 #3

    CompuChip

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    At first I thought you meant second * metre in the first one. Then I looked at the second one and I thought you meant decimetre.
    If the former is the case, then what is d?
    If the latter is the case, then how do you want to convert seconds into something unit-less.
     
    CompuChip, Feb 28, 2008
  5. Feb 28, 2008 #4

    Kurdt

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    I think the d is referring to days, since in the solution attempt they have quoted how many seconds there are in a day.
     
    Kurdt, Feb 28, 2008
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