159. A windmill with a 12 m diameter rotor is to be installed at a location where the wind is

blowing at an average velocity of 10 m/s. Using standard condition of air (1 atm, 25°C),

determine the maximum power that can be generated by the windmill.

A. 68 kW B. 70 kW

C. 72 kW D. 74 kW