Question: A hurricane wind blows across a 6 . 0 0 m X 1 5 . 0 m flat roof at a speed of 1 3

A hurricane wind blows across a 6.00 m X 15.0 m flat roof at a speed of 130 km/h. Assume atmospheric pressure inside the house and the speed of air is approximately zero inside. Density of air is 1.29 kg/m3. a. Is the pressure above the roof higher than, lower than or same as the pressure inside the house? Explain your understanding. 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?

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