Answer to Question #281102 in Physics for BHASKAR

Question #281102

A railway track that is 50 m long, with initial temperature of 10 °C is subjected to a great heat. How much will it expand when its temperature is tripled [α= 13 ´ 10^-6 / °C]?

Expert's answer

"\\Delta L=\\alpha L \\Delta T=13\\cdot10^{-6}\\cdot50\\cdot20=0.013\\ (m)=1.3\\ (cm)" . Answer

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