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Homework Help: Thermal Expansion

  1. Sep 12, 2010 #1
    1. The problem statement, all variables and given/known data
    When the temperature of a metal cylinder is raised from 0 degrees C to 100 C,its length increases by 0.23%.

    (a) Find the percent change in density.
    (b) What is the metal?

    2. Relevant equations
    ∇L = Lα∇T

    3. The attempt at a solution
    Last edited: Sep 12, 2010
  2. jcsd
  3. Sep 12, 2010 #2
    please do help sum1
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