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Consider a wind turbine with a blade span diameter of 156 m installed at asite subjected to steady winds at 7m/s. By considering the efficiency of the wind-turbine and taking the overall efficiency of the wind turbine to be 49 percent and the air density to be 1.25 kg/m3, determine the electric power (kW) generated by this wind turbine to 1 decimal place.

Fig: 1