Question:

3. A police car is approaching you with its siren sounding apparently at 350 Hz. When it reaches you, the police car stops and t

3. A police car is approaching you with its siren sounding apparently at 350 Hz. When it
reaches you, the police car stops and the frequency of the siren is now 300 Hz. If the air
temperature is 48.0°C, how fast was the police car travelling when it was approaching
you? (4 marks)

3. A police car is approaching you with its siren sounding apparently at 350 Hz. When it reaches you, the police car stops and the frequency of the siren is now 300 Hz. If the air temperature is 48.0°C, how fast was the police car travelling when it was approaching you? (4 marks)