Question

what is mass of air in a room measuring 10cm×5m×2m,if the density of is 1.3 kgm-3?

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Answer 1

Answer:

First we will find the volume of the room

10×5×2 m =100 m cube

Then , mass =density ×volume

mass= 1.3 kg/m × 100 m cube

= 13/10×100

=130 kg

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