The unique sound of a person's voice arises from the frequencies of the standing waves that occur
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The unique sound of a person's voice arises from the frequencies of the standing waves that occur in a person's chest, trachea, larynx, mouth, nose, and sinuses. Suppose a person's voice has a strong resonant frequency at 890 Hz when she is breathing air. What will be the frequency of the same resonance when the person breathes helium? (The speed of sound in helium is 1007 m/s.)
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A person breathes helium filling her vocal cavities with a gas th...View the full answer
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