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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 in 4 subjects |
| Earth sciences | 1 |
| Natural resourses and wildlife conservation | 2 |
| Physical sciences | 1 |
| Technology | 1 |