ausemkattom9469 ausemkattom9469
  • 13-12-2022
  • Physics
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a police car coming toward you from the east (as you move westward) has a siren on at an unknow frequency. as he approaches you hear a frequency of 510 hertz but as he passes you and continues away you hear the pitch drop to 400 hz. you are traveling at a constant 15 m/sec speed throughout. how fast is the police car traveling?

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