Question:

Wind pressure question.?

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Wind pressure, the force per unit area caused by air in motion, increases with the

square of the wind speed. Suppose that a tropical depression with a maximum sustained

wind speed of 50 km per hr (31 mph) intensifies to hurricane strength with a maximum

sustained wind speed of 150 km per hr (93 mph). Consequently the wind pressure

increases by a factor of _____.

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2 ANSWERS


  1. F = Av^2

    F2/F1 = Av2^2 / Av1^2 = (v2/v1)^2

    F2/F1 = (150/50)^2 = 3^2 = 9


  2. 3

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