Question: At 1 9 C , a rod is exactly 2 2 . 0 3 cm long on a steel ruler. Both the rod and the

19 C,

a rod is exactly

22.03

cm long on a steel ruler. Both the rod and the ruler are placed in an oven at

230 C,

where the rod now measures

22.29

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 10^{- 6} \frac{1}{C} .

Number

Units

eTextbook and Media

Hint

At 1 9 C , a rod is exactly 2 2 . 0 3 cm long on

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