Question 12, chap 117, sect 5. part 1 of 2 10 points The velocity of sound in air is 343 n1 / s . An ambulance is traveling east at 45.1 n1 / 5 Behind it there is a car traveling along the same direction at 34.2 n1 / s The ambulance driver hears his siren at a frequency of 853 Hz. 34.2 m/s -> 45.1 m/s -> Ambulance Car What is the wavelength of the sound of the ambulance's siren if you are standing at the position of the car? Answer in units of m. Question 13, chap 117, sect 5. part 2 of 2 10 points At what frequency does the driver of the car hear the ambulance's siren? Answer in units of Hz