Answer to Question #238747 in Physics for jub

Question

A copper wire and a lead wire are joined together, end to end.  

The compound wire has an effective coefficient of linear expansion of 27.2 x 10^–6(°C)^–1.  

What fraction of the length of the compound wire is copper?

Expansion Coefficient of lead is 29x10^-6(°C)^–1

Expansion Coefficient of copper is 17x10^-6 (°C)^–1

Answer 1

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