breonhall4270 breonhall4270
  • 07-03-2024
  • Physics
contestada

A police siren has a frequency of 550 Hz as the police car approaches you, 450 Hz after it has passed you and is moving away. How fast are the police traveling?
a) 50 m/s
b) 100 m/s
c) 150 m/s
d) 200 m/s

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