Sound. Properties. Sound Properties. Sound Wave. Sound Properties: Detection. Microphone Convert kinetic energy to electricity Ear Measure in decibel (dB). Sound Properties: Frequency. Pitch vs. Frequency
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The threshold of the human ear is around 20,000 Hz, so the frequency of this radio signal is far higher than what the ear can detect.
v = 331 m/s + 0.6T
= 331 m/s + (0.6)(30.0°C)
= 349 m/s
For the fan sitting in the seats at the ballpark,
d = 8.0 m + 2.0 m = 10.0 m
Since the frequency of the sonar ping increased, the ship must be
approaching the engineer.
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