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Simply some questions

  1. Oct 9, 2006 #1
    A square is cut out of a copper sheet. The square is heated uniformly. As a result, it turns into

    a) a square with a larger area
    b a square with a smaller area
    c a rectangle with a larger area
    d a rectangle with a smaller area

    i fink its a =(

    wut do u guys think?
     
  2. jcsd
  3. Oct 10, 2006 #2

    berkeman

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    Staff: Mentor

    I agree with a. A square heated uniformly should just get uniformly larger.
     
  4. Oct 10, 2006 #3

    berkeman

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    Staff: Mentor

    Well now, wait a minute. Do they mean the copper square that got cut out, or the hole left in the sheet when the square was cut out? If the latter, then I'm not sure what the answer is....
     
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