A rod of length , made from material A, is placed next to
Chapter , Problem 52(choose chapter or problem)
A rod of length , made from material A, is placed next to a rod of length , made from material B. The rods remain in thermal equilibrium with each other. (a) Show that even though the lengths of each rod will change with changes in the ambient temperature, the difference between the two lengths will remain constant if the lengths and are chosen such that where and are the coefficients of linear expansion, respectively. (b) If material B is steel, material A is brass, and at what is the value of LB0C, ?
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