Answer to Question #300424 in Atomic and Nuclear Physics for Sophia

Atomic and Nuclear Physics

Question #300424

A metal rod of length 40.0 cm at 20°C is heated through a temperature of 45°C if the new length of the rod

is 40.05 cm calculate its linear expansivity

Expert's answer

$\alpha=\frac{\Delta l}{l\Delta t}=5\cdot 10^{-5}~°C^{-1}.$

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