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Thermal Expansion (Area Expansion) problem help

  1. Jan 14, 2019 #1
    1. The problem statement, all variables and given/known data
    A steel ring with a hole having area of 3.990 cm2 is to be placed on an aluminum rod with crosssectional area of 4.000 cm2. Both rod and ring are initially at a temperature of 35.0°C. At what common temperature can the steel ring be slipped onto one end of the aluminum rod?

    2. Relevant equations
    delta A = yAodelaT

    T = To + deltaT

    3. The attempt at a solution
  2. jcsd
  3. Jan 14, 2019 #2
    Please show an attempt that you made at solving the problem.
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