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QUESTION
A bat flies toward a wall, emitting a steady sound with a frequency of 23.0 \rm{kHz}. This bat hears its own sound plus the sound reflected by the...
A bat flies toward a wall, emitting a steady sound with a frequency of 23.0 rm{kHz}. This bat hears its own sound plus the sound reflected by the wall.How fast should the bat fly, v_b, to hear a beat frequency of 190 rm {Hz}?Take the speed of sound to be 344 rm m/s.
