What frequency (in Hz) is received by a person watching an oncoming ambulance moving at 100 km/h and emitting a steady 800 Hz sound from its siren

asked Dec 26, 2022 203k views

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7 votes

Answer:

Step-by-step explanation:

Assuming speed of sound is 343 m/s

100 km/h = 28 m/s

f = 800•(343 + 0) / (343 - 28) = 871 Hz

Nathan Grigg answered Jan 2, 2023

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