Question

What is the mass of air in a room measuring 10m x 5.0mx
2.0 m if the density of air is 1.3kg/m3?
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Answer 1

Explanation:

10m * 5m *2m =100m^3 it is volume of the room

density is given 1.3kg/m3

then we know

Density=mass /volume

1.3=mass /100

mass =1.3*100 kg

mass =130kg i.e mass of air in that room

Answer 2

Answer:

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