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At the top of a tall building 55 m wide and 55 m long, the breeze varies seasonally with ReL varying from 5x10^4 to 3x10^5. One meter in from the

edge the laminar boundary layer thickness varies from, in cm, closest to: A) fully turbulent down to the rooftop, so 0 cm B) averages 3.5 cm year long C) 0.95 to 0.55; decreases with Re D) 2.24 to 0.91 E) 0.55 to 0.95; increases with Re

Fig: 1

Fig: 2