A car with its horn sounding approaches a group of students. Assume the car’s horn produces sound waves with a constant frequency. Which of the following statements best explains why the students hear a higher pitch as the car approaches than when it is stopped?

Question

Answer: D - The sound waves are heard at a higher frequency as the car approaches the students.

Ted Chan · Accepted Answer

The sound waves are heard at a higher frequency as the car approaches the students.

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