Question

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Answer 1

$\bf{\underline{\underline{Given}}}$

$\mathsf{\star\:\: Density\:of\:copper = 9.86\: g/cm^{3} }$

$\mathsf{\star\:\: Dimension = 10\:cm × 5\:cm × 3\:cm}$

$\bf{\underline{\underline{To\:find}}}$

$\mathsf{\star\: \: Mass\:of\:the\:cuboid}$

$\bf{\underline{\underline{Solution}}}$

$\mathtt{\implies\: Volume\:of\:cuboid = 10\:cm × 5\:cm × 3\:cm}$

$\mathtt{\implies\: Volume\:of\:cuboid = 150\:cm^{3}}$

We know that

$\fbox{\mathtt{Mass = Density × Volume}}$

$\mathtt{\implies\: Mass = 9.86 \frac{g}{cm^{3}} × 150\:cm^{3}}$

$\mathtt{\implies\: Mass = 9.86 \frac{g}{\cancel{cm^{3}}} × 150\:\cancel{cm^{3}}}$

$\mathtt{\implies\: Mass = 1479\: g \: \: \: or \: \: \: 1.479 \: kg}$

∴ Mass of the solid copper cuboid = 1.479 kg

Answer 2

Answer:

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