Physics, 20.09.2019 13:30 vladisking888
Abat locates insects by emitting ultrasonic "chirps" and then listening for echoes from the bugs. suppose a bat chirp has a frequency of 25 khz. part a how fast would the bat have to fly for you to just barely be able to hear the chirp at 20 khz?
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Abat locates insects by emitting ultrasonic "chirps" and then listening for echoes from the bugs. su...
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