A hurricane wind blows across a 6.0 m × 15.0 m flat roof at a speed of 130 km/h.
a. Is the air pressure above the roof higher or lower than the pressure inside the house? Explain.
b. What is the pressure difference?
c. How much force is exerted on the roof? If the roof cannot withstand this much force, will it “blow in” or “blow out”?