alexisgonzales3663 alexisgonzales3663 27-02-2024 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) 34 m/s B) 40 m/s C) 50 m/s D) 60 m/s
