Question

A piece of steel has a volume of 5 cm3 and a mass of 40 g. What is its density in (a) g / cm3 (b) Kg / m3 ?​

Answer 1

Given :

• Volume = 5 cm³
• Mass = 40 g

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To Find :

• Density = ?

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Solution :

✪ Formula Used :

• ${\underline{\boxed{\orange{\sf{ Density = \dfrac{Mass}{Volume} }}}}}$

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✪ Calculating the Density :

$\begin{gathered} \longrightarrow \; \; \sf { Density = \dfrac{Mass}{Volume} } \\ \end{gathered}$

$\begin{gathered} \longrightarrow \; \; \sf { Density = \dfrac{40}{5} } \\ \end{gathered}$

$\begin{gathered} \longrightarrow \; \; \sf { Density = \cancel\dfrac{40}{5} } \\ \end{gathered}$

$\begin{gathered} \; \; {\qquad \; \; {\therefore \; {\underline{\boxed{\green{\pmb{\frak { Density = 8 \; g/{cm}^{3} }}}}}}}} \\ \end{gathered}$

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✪ Therefore :

❛❛ Density of the piece of steel is 8 g/cm³ . ❜❜

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