Physics, 14.04.2021 17:10 skylarwise121
A scientist uses a variable frequency microphone/speaker system (sonar) to measure the depth of water. In freshwater (were sound travels at 1490 m/s) and 120 Hz sound is sent from a stationary ship to the bottom of a deep lake and the time interval between the generation and detection of the echo takes 1.14 seconds. What is the distance from the ship to the bottom of the lake?
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A scientist uses a variable frequency microphone/speaker system (sonar) to measure the depth of wate...
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