The power P generated by a certain windmill design depends on its diameter D, the air density p, the wind velocity V, the rotation rate w and the number of blades n. a) Write this relationship in dimensionless form. A model windmill of diameter 50 cm develops 2.7 kW at sea level when V=40 m/s and when rotating at 4800 r/min. b) What power will be developed by a geometrically and dynamically similar prototype,

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