Uma chapa metálica, com um furo central de diâmetro “d”, é aquecida dentro de um forno. Com o aumento da temperatura, podemos afirmar: Tanto a chapa quanto o furo permanecem com as mesmas dimensões. O furo permanece constante, e a chapa aumenta a sua dimensão. O furo diminui enquanto a chapa aumenta a sua dimensão. Tanto o furo quanto a chapa aumentam as suas dimensões. O furo diminui enquanto a dimensão da chapa permanece constante.
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Uma chapa metálica, com um furo central de diâmetro “d”, é aquecida dentro de um forno. Com o aument...
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