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    The Beat Heard by a Bat

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    The Beat Heard by a Bat
    A bat flies toward a wall, emitting a steady sound with a frequency of 25.0 . This bat hears its own sound plus the sound reflected by the wall.

    Part A
    How fast should the bat fly, , to hear a beat frequency of 220 ?
    Take the speed of sound to be 344 .
    Express your answer numerically in meters per second to two significant figures.

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    Solution Summary

    The expert determines the beat heard by a bat.