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SAT, 05.01.2022 14:00, maxi12312345
A bat flies toward a wall, emitting a steady sound of frequency 1. 70 khz. This bat hears its own sound plus the sound reflected by the wall.
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Answers: 3
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A bat flies toward a wall, emitting a steady sound of frequency 1. 70 khz. This bat hears its own so...
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