An aluminium rod of length l₁ and coefficient of linear expansion αₐ is joined end-to-end with a steel rod of length l₂ and coefficient αₛ. Their expansions are equal for the same temperature change. Find l₁/(l₁+l₂).
Options
An aluminium rod of length l₁ and coefficient of linear expansion αₐ is joined end-to-end with a steel rod of length l₂ and coefficient αₛ. Their expansions are equal for the same temperature change. Find l₁/(l₁+l₂).
Options