| Gases | | Material | v (m/s) | | Hydrogen (0°C) | 1286 | | Helium (0°C) | 972 | | Air (20°C) | 343 | | Air (0°C) | 331 | | Liquids at 25°C | | Material | v (m/s) | | Glycerol | 1904 | | Sea water | 1533 | | Water | 1493 | | Mercury | 1450 | | Kerosene | 1324 | | Methyl alcohol | 1143 | | Carbon tetrachloride | 926 | | Solids | | Material | v (m/s) | | Diamond | 12000 | | Pyrex glass | 5640 | | Iron | 5130 | | Aluminum | 5100 | | Brass | 4700 | | Copper | 3560 | | Gold | 3240 | | Lucite | 2680 | | Lead | 1322 | | Rubber | 1600 |
Data from Serway/Beichner. |
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