Answer to Question #212691 in Physics for Yoh

Question #212691

A steel rod is initially at 20°C and has a length of 2m. It has a cross-sectional area of 0.001m^2 , If it is heated to 120°C by how much does its length increase?

Expert's answer

"l=l_0(1+\\alpha \\Delta t)=2\\cdot(1+2.4\\cdot10^{-5}\\cdot100)=2.0048\\ (m)"

"\\Delta l=0.0048\\ (m)"

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