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| propagation of sound | |||
| Sound propagation; sound propagation The travelling of acoustic waves in the atmosphere with a speed independent of their amplitude. The speed only depends on the acoustic medium and is proportional to the square route of the absolute temperature for any given medium | |||
| sound propagation | |||
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propagation du son : 5 phrases, 4 sujets |
| Ressources naturelles et conservation de la faune | 2 |
| Sciences de la Terre | 1 |
| Sciences physiques | 1 |
| Technologie | 1 |