Hirokai Hirokai

25-08-2021
Physics

contestada

5. A police car siren emits a frequency of 3900 Hz while driving down the road at a speed of 27.4. What frequency will a person
driving a car at 20.7 m in the opposite direction behind the police car hear?
fobs =
Hz

Respuesta :

Аноним Аноним

26-08-2021

Answer:

f = 3900(343 - 20.7) / (343 + 27.4) = 3,394 Hz

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