# Physics

A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 16°C when it was installed. What is its change in length when the temperature drops to a frigid -39°C?
m

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1. I will be happy to critique your thinking. This is a standard linear coefficent of expansion problem.

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2. 65:18= X:-45
-162,5

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