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Physics, 29.07.2019 22:00 MayFlowers
Acertain instant camera determines the distance to the subject by sending out a sound wave and measuring the time needed for the wave echo to return to the camera. how long would it take the sound wave to return to the camera if the subject were 3.42 m away? the speed of sound is 343 m/s. answer in units of s.
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Acertain instant camera determines the distance to the subject by sending out a sound wave and measu...
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