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Calculate the mass of air enclosed in a room of length, breadth and height equal to 5m, 3m and 4m respectively. Density of air `=1.3(kg)/(m^3)`. |
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Answer» `V=5mxx3mxx4m=60m^3` `d=1.3(kg)/(m^3)` `M=Vxxd=(60m^3)xx(1.3(kg)/(m^3))=78kg` |
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