1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Simple temperature conversion problem

  1. May 24, 2013 #1
    1. The problem statement, all variables and given/known data

    I know this sounds too easy, but somehow webassign refuses my answers

    The temperature difference between the inside and the outside of a home on a cold winter day is 64°F.

    (a) Express this difference on the Celsius scale.
    160/9

    (b) Express this difference on the Kelvin scale.
    2617/9


    2. Relevant equations

    C=5(F-32)/9
    K=C+273.15

    3. The attempt at a solution

    Simply using the equations I got
    C=160/9 or 17.7777778
    K=2617/9 or 290.77777778

    I inputted them three times in three forms, what is wrong with my answers?
     
  2. jcsd
  3. May 24, 2013 #2

    haruspex

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member
    2016 Award

    Your equations are for converting one temperature from one scale to another. What you are given is a temperature difference. Suppose it's T Deg F outside and T+64 inside, then try your equations on each and take the difference after conversion. What do you notice?
     
  4. May 24, 2013 #3
    Thank you very much haruspex, I should have not subtracted 32 from the given temperature difference.
    The right answer should be (64)(5/9)= 35.6
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: Simple temperature conversion problem
Loading...