Speed of sound in air by temperature
Sound travels at 331 m/s in freezing air and 343 m/s at 20 °C, gaining about 0.6 m/s for every degree.
What does this axis measure?
Speed (m/s)
What does this axis measure?
Temperature (°C)
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- Speed (m/s)
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- Temperature (°C)
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The data: 17 points
| Temperature (°C) | Speed (m/s) |
|---|---|
| −40 | 306.1 |
| −35 | 309.4 |
| −30 | 312.6 |
| −25 | 315.8 |
| −20 | 319 |
| −15 | 322.1 |
| −10 | 325.2 |
| −5 | 328.3 |
| 0 | 331.3 |
| 5 | 334.3 |
| 10 | 337.3 |
| 15 | 340.3 |
| 20 | 343.2 |
| 25 | 346.1 |
| 30 | 349 |
| 35 | 351.9 |
| 40 | 354.7 |
- Ran in puzzle #2 on September 28, 2026. Play it