character: Ms. Sarah White
topic: Therapeutic Uses of Sound Waves in Physical Therapy
grade: 9
subject: Physics
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character: Dr. Emily Chen
topic: Applications of Ultrasound in Medical Treatment
grade: 9
subject: Physics
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character: Mr. John Smith
topic: Principles of Waves in Physics
grade: 9
subject: Physics
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character: Ms. Laura Green
topic: The Science Behind Therapeutic Sound Frequencies
grade: 9
subject: Physics
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