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A cars horn produced a sound wave of a constant frequency. Car is moving to the right as shown above. The five points A, B, C, D and E are marked, at
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Eckler's Sea Shell Type Horns/Low & High Pitch | Edsel | Full Size Ford | Mercury Truck Thunderbird All Models | 1958-1960
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2Pcs/set Car Snail Horns 12V 110-125db 410/510Hz Waterproof High Low Pitch Auto Horn For VW Polo Sedan / Vento 2010 - 2017
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The Doppler Effect A moving source of sound, such as a car horn, seems to change pitch depending on its motion relative to the listener. As a car passes. - ppt download
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Design optimization of a dual-shell car horn for improved sound quality based on numerical and experimental methods - ScienceDirect
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