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The mass of the roof of a house is 1.81.8104104kgkg and the area of the roof is 164 m2m2. At what speed must air move

The mass of the roof of a house is 1.81.8104104kgkg and the area of the roof is 164 m2m2.

At what speed must air move across the roof of the house so that the roof is lifted off the walls? The density of the air is 1.3 kg/m3kg/m3.Express your answer with the appropriate units.

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