Question: ( 5 pts ) If a wind turbine operates ideally, it can achieve Betz limit efficiency = 0 . 5 9 2 6 . The

(5 pts) If a wind turbine operates ideally, it can achieve Betz limit efficiency =0.5926. The real efficiency of a wind turbine in a steady wind of 15 m/s is 0.4. Calculate velocity at the turbine exit in both cases

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