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  3. a perfect square with dimensions 1 mm x 1 mm...

Question: a perfect square with dimensions 1 mm x 1 mm...

Question details

A perfect square with dimensions 1 mm x 1 mm is drawn on the surface of a plate. The temperature of the plate is then uniformly decreased by 200°C, causing the square to deform as shown below.

  1. What is the coefficient of thermal expansion alphaxy for this material?
  2. What is the coefficient of thermal expansion alphayy for this material?

サ 90.007 0.9880mm 1. 0065mm _

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