ρ_{õhk} = \frac{F_{r}}{V g} = \frac{3, 72 N}{2 m^{3} \cdot 9, 8 N / k g} \approx 0, 19 k g / m^{3}

${\rho_{\text{õhk}} = \frac{F_r}{Vg} = \frac{{3,72}\,\mathrm{N}}{{2}\,\mathrm{m^3}\cdot{9,8}\,\mathrm{N/kg}} \approx {0,19}\,\mathrm{kg/m^3}}$

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