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5. An ambulance is traveling east at 5631.9 m/s - m/s. Behind it there is a car traveling along the same direction at 31.9 m/s. The ambulance driver hears his siren at Car 56 m/s- Ambulance O a frequency of 933 Hz. The speed of sound is 343 m/s. At what frequency does the driver of the car hear the ambulance's siren? [ANS: 876.646 Hz.]

5. An ambulance is traveling east at 5631.9 m/s - m/s. Behind it there is a car traveling along the same direction at 31.9 m/s. The ambulance driver hears his siren at Car 56 m/s- Ambulance O a frequency of 933 Hz. The speed of sound is 343 m/s. At what frequency does the driver of the car hear the ambulance's siren? [ANS: 876.646 Hz.]

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how do you do question 5? this is a non graded practice worksheet
5. An ambulance is traveling east at 5631.9 m/s m/s. Behind it there is a car traveling along the same direction at 31.9 m/s. The ambulance driver hears his siren at Car 56 m/s Ambulance a frequency of 933 Hz. The speed of sound is 343 m/s. At what frequency does the driver of the car hear the ambulance's siren? [ANS: 876.646 Hz.] 6. In order to be able to determine her speed, a skydiver carries a tone generator. A friend on the ground at the landing site has equipment for receiving and analyzing sound waves. While the skydiver is falling at terminal speed, her tone generator emits a steady tone of 753 Hz. Assume: The air is calm and that the sound speed is 343 m/s, independent of altitude. If her friend on the ground (directly beneath the skydiver) receives waves of frequency 2260 Hz, what is the skydiver's speed of descent? [ANS: 228.717 m/s.] 7. If the skydiver from question 3 were also carrying sound-receiving equipment sensitive enough to detect waves reflected from the ground, what frequency would she receive? [ANS: 3767 Hz.]
Transcribed Image Text:5. An ambulance is traveling east at 5631.9 m/s m/s. Behind it there is a car traveling along the same direction at 31.9 m/s. The ambulance driver hears his siren at Car 56 m/s Ambulance a frequency of 933 Hz. The speed of sound is 343 m/s. At what frequency does the driver of the car hear the ambulance's siren? [ANS: 876.646 Hz.] 6. In order to be able to determine her speed, a skydiver carries a tone generator. A friend on the ground at the landing site has equipment for receiving and analyzing sound waves. While the skydiver is falling at terminal speed, her tone generator emits a steady tone of 753 Hz. Assume: The air is calm and that the sound speed is 343 m/s, independent of altitude. If her friend on the ground (directly beneath the skydiver) receives waves of frequency 2260 Hz, what is the skydiver's speed of descent? [ANS: 228.717 m/s.] 7. If the skydiver from question 3 were also carrying sound-receiving equipment sensitive enough to detect waves reflected from the ground, what frequency would she receive? [ANS: 3767 Hz.]
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