Physics, 26.05.2020 23:06 med69

Wind blowing across suspended power lines may

cause the power lines to vibrate at their natural

frequency. This often produces audible sound

waves. This phenomenon, often called an

Aeolian harp, is an example of

(1) diffraction (3) refraction

(2) the Doppler effect (4) resonance

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Wind blowing across suspended power lines may

cause the power lines to vibrate at their...

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