A hurricane wind blows across a 6.0 m 15.0 m flat roof at a speed of
Question:
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”?
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Model Treat the air as an ideal fluid obeying Bernoullis equation Solve a The pressure above t...View the full answer
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Related Book For
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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