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Una ambulancia se desplaza hacia el norte a 23,5 m/s. su sirena emite un sonido de 500hz de frecuencia. calcular la frecuencia aparente que percibe un observador que viaja en su auto, también hacia el norte , a 28,6, cuando:
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Una ambulancia se desplaza hacia el norte a 23,5 m/s. su sirena emite un sonido de 500hz de frecuenc...
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