clairemoront
clairemoront clairemoront
  • 31-03-2017
  • Physics
contestada

The police car with its 300-Hz siren is moving away from the warehouse at a speed of 19.0 m/s .

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Аноним Аноним
  • 31-03-2017
Frequency with wavelength 1.162m = 344/1.162 = 296.04Hz
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