DILATAÇÃO VOLUMÉTRICA Apresentação

0 Slides • 2 Questions

1

Multiple Choice

Um cubo de aço é aquecido em 180 ^oC. Considerando que o volume inicial do cubo era de 500 cm³ e que o coeficiente de dilatação volumétrica do aço é 33.10^{-6 o}C^-1, calcule a variação do volume após o aquecimento.

1

2,97 cm³

2

3,34 cm³

3

3,34.10^-2 cm³

4

2,97.10^-1 cm³

5

n.d.a.

2

Multiple Choice

Assinale a alternativa correta.

1

$\beta=3\alpha$

2

$\beta=\alpha$

3

$\gamma=2\beta$

4

$\gamma=3\alpha$

5

n.d.a.

Um cubo de aço é aquecido em 180 ^oC. Considerando que o volume inicial do cubo era de 500 cm³ e que o coeficiente de dilatação volumétrica do aço é 33.10^{-6 o}C^-1, calcule a variação do volume após o aquecimento.

1

2,97 cm³

2

3,34 cm³

3

3,34.10^-2 cm³

4

2,97.10^-1 cm³

5

n.d.a.

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