Question

A room measures 4 m by 3 m by 2 m. The density of air is 1.3 kg/m^3.
What is the mass of air in the room?
12 kg

15kg

31 kg

50 kg

Answer 1

Answer:

We know, Mass = Density×Volume. So, Mass of the air =1.3×60Kg. Hence, mass of the air enclosed in the room is 78 kg.

am I correct?

Answer 2

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