Which of the following is the average rate of speed at which sound travels through air, measured at sea level and 70F/20C degrees?
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At sea level the speed of sound is 344 m/s and at a temperature of 21 degrees Celsius (70 degrees Fahrenheit) and under normal atmospheric conditions.
Explanation:
At sea level the speed of sound is 344 m/s and at a temperature of 21 degrees Celsius (70 degrees Fahrenheit) and under normal atmospheric conditions.
The atmospheric conditions are measured at 1238 km/h or 770 mph.
The speed varies depending on atmospheric conditions.
Most important factors are
- Temperature
- Humidity
- Air pressure
Humidity has little effect on the speed of sound.
Air pressure has no effect at all in an ideal gas approximation.
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Answer:1128 feet/second (343 meters/second)
Explanation:
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