A person whirls a sound tube with a period of 3 rotations per second and a radius of 0.75m. If she hears a pitch of 880

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answerhappygod
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A person whirls a sound tube with a period of 3 rotations per second and a radius of 0.75m. If she hears a pitch of 880

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A person whirls a sound tube with a period of 3 rotations persecond and a radius of 0.75m. If she hears a pitch of 880 Hz. a.)What are the approach and departure speeds of the tube end? b.)What range of frequencies will be heard by the other people in theroom?
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