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# 0 kHz.

(See attached file for full problem description)
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The Beat Heard by a Bat
A bat flies toward a wall, emitting a steady sound with a frequency of 22.0 kHz. This bat hears its own sound plus the sound reflected by the wall.
Part A
How fast should the bat fly, v_b , to hear a beat frequency of 215 Hz?
Take the speed of sound to be 344 m/s.
Express your answer numerically in meters per second to two significant figures.
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The Beat Heard by a Bat
. This bat hears its own sound plus the sound reflected by the wall.
Top of Form
Part A
?
.
Express your answer numerically in meters per second to two significant
figures.
Top of Form
Bottom of Form

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