ewatrrr8049 ewatrrr8049

19-02-2024
Physics

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A wind generator with an efficiency of 0.85 has a blade diameter of 20 m. If the wind velocity is 30 km/h, how much power is obtainable from the generator?
a) 45.7 kW
b) 58.3 kW
c) 32.5 kW
d) 70.2 kW

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