character: Ms. Green
topic: Understanding Mechanical Waves and Audio Signals
grade: 11
subject: Physics
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character: Mr. Smith
topic: The Properties of Sound Waves
grade: 11
subject: Physics
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character: Dr. Johnson
topic: Mechanical Waves: Concepts and Applications
grade: 11
subject: Physics
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character: Ms. Davis
topic: The Science of Sound: Frequency and Amplitude
grade: 11
subject: Physics
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