Question: At 20oC, a rod is exactly 20.05 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at

At 20oC, a rod is exactly 20.05 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at 270C, where the rod now measures 20.11 cm on the same ruler. What is the coefficient of linear expansion for the material of which the rod is made?

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