Physics, 08.04.2020 01:57 LuckyCharms988
A fish finder uses a sonar device that sends 20,000-Hz sound pulses downward from the bottom of the boat, and then detects echoes. Part A If the maximum depth for which it is designed to work is 230 m , what is the minimum time between pulses (in fresh water)
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A fish finder uses a sonar device that sends 20,000-Hz sound pulses downward from the bottom of the...
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