A wind of velocity 10 m/s is blowing through a wind generator with blade radius 5.00 meters. What is the maximum power output if 30.0% of the wind's energy can be extracted? ρair = 1.25 kg/m³. A)7.20 kW B)14.7 kW C)21.3 kW D)29.4 kW E)39.6 kW

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Quizplus · Accepted Answer

The maximum power output is calculated using the formula P = 0.5 * ρ * A * v^3 * efficiency. Here, A = π * r^2 = π * (5)^2, v = 10 m/s, efficiency = 0.3, and ρ = 1.25 kg/m^3. Plugging in these values gives approximately 14.7 kW.

A Wind of Velocity 10 M/s Is Blowing Through a Wind