Answer to Question #304178 in Molecular Physics | Thermodynamics for _steph._.anie

Question #304178

Example:



A steel railroad track has a length of 30.000 m when the temperature is 0°C. What is its length on



a hot day when the temperature is 40.0°C? (b) Suppose the track is nailed down so that it



can’t expand. What stress results in the track due to the temperature change

1
Expert's answer
2022-03-03T12:05:35-0500

"l=l_0(1+\\alpha\\Delta t)=30.018~m."


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