3) Hurricane Michael had horizontal winds of Vout = 69 m/s (155 mph). Pair = 1.29 kg/m3. A building with a flat, horizontal roof, Aroof = 200 m2, and Vin = 0 m/s.
a) What is the pressure difference, Pin - Pout on the roof. Assume Yin = Yout.
b) What is the force acting on the roof, and what...