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A rod is measured to be exactly 23.10 cm long using a steel ruler at a temperature of 23.0C. Both the rod and the

A rod is measured to be exactly 23.10 cm long using a steel ruler at a temperature of 23.0C. Both the rod and the ruler are placed in an oven with a temperature of 253.0 C where the rod now measures 23.50 cm using the same ruler. What is the coefficient of thermal expansion for the material of which the rod is made?

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