# Physics

A steel beam is used in the construction of a skyscraper. By what fraction L/L0 does the length of the beam increase when the temperature changes from that on a cold winter day (-20°F) to that on a summer day (+108°F)?

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2. 👎 0
3. 👁 40
1. I will be happy to critique your thinking or work. This s a standard formula.

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2. 👎 0

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