Physics

Physics

Problem

Brass has a density of

8.50\times10^{3}\,\text{kg}\,\text{m}^{-3}

at

20\,^{\circ}\text{C}

and a coefficient of volume expansion

5.1\times10^{-5}\,\text{K}^{-1}

. At what temperature will its density become

8.40\times10^{3}\,\text{kg}\,\text{m}^{-3}

, assuming its mass stays constant? a)

98\,^{\circ}\text{C}

b)

233\,^{\circ}\text{C}

c)

253\,^{\circ}\text{C}

d)

176\,^{\circ}\text{C}

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