Physics · Work, Energy and Power
A wind turbine operates in an open field and extracts energy from the moving air to generate electricity. Assume the density of air remains constant and the turbine captures a constant fraction of the kinetic energy of the passing wind. If the wind speed is v, how does the electric power output P vary with v?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1P ∝ v4
- 2P ∝ v3✓
- 3P ∝ v2
- 4P ∝ v
Correct answer
P ∝ v3
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