Question

Convert 62.4lb/ft^3 to kg/m^3

Answer 1

keeping in mind that there are about 2.2 lbs in 1 kilogram, and there are about 35 ft³ in 1 m³.

$\bf \cfrac{62.4 \underline{lb}}{\underline{ft^3}}\cdot \cfrac{kg}{2.2 \underline{lb}}\cdot \cfrac{35 \underline{ft^3}}{m^3}\implies \cfrac{62.4\cdot 35}{2.2}\cfrac{kg}{m^3}\implies \cfrac{2184}{2.2}\cfrac{kg}{m^3}\implies 992.\overline{72}~\frac{kg}{m^3}$

Answer 2

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