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A wind with speed 40 m/s blows parallel to the roof of a house. The...

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A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is 250m. Assuming that the pressure inside the house is atmospheric pressure, the force exerted by the wind on the roof and the direction of the fore will be:(?air = 1.2kg/m)A. 4.8 x 10? N, upwardsB. 2.4 x 10? N,upwardsC. 2.4 x 10? N, downwardsD. 4.8 x 10? N,downwards

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