The density of air is 1.3 kg/m^3. What mass of air is contained in a room measuring 2.5 x 4m x 10m?
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Explanation:
d= 1.3 kg/m³
v= 2.5m × 4m × 10m
m = 1.3 × 2.5 × 4 × 10 Kg
= 130 Kg
Mass = 130Kg
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