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Temperature statement

  1. Sep 14, 2008 #1
    1. The problem statement, all variables and given/known data

    Comment on the statement 'Today the temperature is 40[tex]\circ[/tex]C and yesterday it was 20[tex]\circ[/tex]C so it is twice as hot today as it was yesterday.'

    3. The attempt at a solution

    i feel that it is wrong to say that, although i think a body at 40[tex]\circ[/tex]C is twice as hot as a body at 20[tex]\circ[/tex]C. i guess i'm missing something....

    any hint? thnks
  2. jcsd
  3. Sep 14, 2008 #2
    Try expressing the temperatures in other units (Fahrenheit, Kelvin).
  4. Sep 14, 2008 #3
    ooo yeah... i should use the absolute scale right?!

    i dunno why it was not obvious at the beginning... thnks:)
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