?The force of the wind blowing on a vertical surface varies jointly as the area of the
Chapter 3, Problem 41(choose chapter or problem)
The force of the wind blowing on a vertical surface varies jointly as the area of the surface and the square of the velocity. If a wind of 40 mph exerts a force of 50 lb on a surface of , how much force will a wind of 80 mph place on a surface of 2 ?
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