Supposed you are stopped for a traffic light, and an emergency response vehicle approaches you from behind. The siren produces a sound with a frequency of 955Hz. But the apparent (perceived)sound reaching your ears is 990Hz. The speed of sound in air 343 m/s . what is the speed of the moving vehicle (in m/s)?

Answer rating: 100% (QA)

To solve this problem we can use the Doppler effect formu... View the full answer