Air in a 120-km/h wind strikes head-on the face of
Chapter 9, Problem 9.8(choose chapter or problem)
Air in a 120-km/h wind strikes head-on the face of abuilding 45 m wide by 65 m high and is brought to rest. If airhas a mass of 1.3 kg per cubic meter, determine the averageforce of the wind on the building.
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