Question: At 2 3 C , a rod is exactly 2 4 . 8 5 cm long on a steel ruler. Both the rod and the

At 23C, a rod is exactly 24.85 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at 240C, where the rod now measures 24.98 cm on the same ruler. What is the coefficient of
thermal expansion for the material of which the rod is made? The linear expansion coefficient of steel is 11 x 101/C.

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