Montgomery Huang
05/26/2023 · Middle School

interior de \( 2,5 \mathrm{~cm} \) y un diámetro exterior de \( 4,5 \mathrm{~cm} \) a \( 0^{\circ} \mathrm{C} \) Si el coeficiente de dilatación lineal del aluminio es de \( 25 \times 10^{-6} \mathrm{\circ}^{\circ} \mathrm{C-1} \), ¿en cuánto cambiará el diámetro de la arandela si la temperatura aumenta a \( 270^{\circ} \mathrm{C} \) ? 62. Demuestra que si las longitudes de dos varillas de diferentes sólidos son inversamente propor- cionales a sus respectivos coeficientes de dilata- ción lineal para alguna temperatura inicial, entonces la diferencia de longitudes entre ellas debe ser constante a cualquier temperatura

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El cambio en el diámetro de la arandela al aumentar la temperatura a \(270^{\circ} \mathrm{C}\) es aproximadamente \(0.0304 \, \text{cm}\) o \(0.304 \, \text{mm}\). La diferencia de longitudes entre dos varillas de diferentes materiales es constante a cualquier temperatura, dependiendo solo de sus coeficientes de dilatación y una constante \(k\).

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