character: Ms. Rivera
topic: Sound Waves Exploration: Investigating the Doppler Effect
grade: 11
subject: Physics
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character: Mr. Johnson
topic: Wave Properties and Their Applications
grade: 11
subject: Physics
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character: Dr. Lee
topic: Understanding Frequency and Wavelength
grade: 11
subject: Physics
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character: Ms. Kim
topic: Acoustic Phenomena and their Impact on Technology
grade: 11
subject: Physics
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