What is the speed of sound in dry air at 20 degrees Celsius at sea level?
Show answer
343 m/s
The speed of sound is not constant; it travels faster through liquids and solids than through air because molecules are packed more tightly. At 20°C, sound travels roughly one kilometer every three seconds.
Also asked as:
- At sea level and 20°C, what is the speed of sound in dry air in meters per second?