Physics
Calculate the mass of air in a room of dimensions 4.5 m x 3.5 m x 2.5 m if the density of air at N.T.P. is 1.3 kg m-3
Fluids Upthrust
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Answer
Given,
Density of air = 1.3 kg m-3
Dimensions of room = 4.5 m x 3.5 m x 2.5 m
∴ Volume of room = 4.5 x 3.5 x 2.5 = 39.375 m3
Mass = density x volume
= 1.3 x 39.375
= 51.1875 kg
Therefore, mass of body = 51.1875 kg ≈ 51.19 kg
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