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Physics, 13.04.2021 07:10 loveoneonly9154
Tina knows that
sonar measures distance by timing how long
the echo of a sound takes to return. She says
it is possible because sound has a particular
frequency. Is she correct?
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Answers: 2
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Tina knows that
sonar measures distance by timing how long
the echo of a sound takes to retu...
the echo of a sound takes to retu...
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