4. Determine the mass of air in kg contained in a room whose dimensions are 15ft x 20ft x 20ft. Assume the density of air is 0.0724 lb/ft³. 4
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A: mass = 350 kg length = 0.65 m width = 0.45 m l = 0.25 m
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A: We will use the Saturated water—Temperature table,
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A: According to Archimedes principle Buoyant force=weight of liquid displaced
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