4. Horizontal Axis wind turbine (HAWT) with the following details Blade Radius: 85 cm Upwind Velocity: 8.5 m/s Downwind Velocity: 4.5 m/s The density of air: 1.225 kg/m3 Evaluate the energy produced...

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Extracted text: 4. Horizontal Axis wind turbine (HAWT) with the following details Blade Radius: 85 cm Upwind Velocity: 8.5 m/s Downwind Velocity: 4.5 m/s The density of air: 1.225 kg/m3 Evaluate the energy produced by the turbine in a year at the wind speed of 7.5 m/s.