Question
What is the approximate speed of sound through seawater: 45 metres per second; 525m/s; 1560m/s; or 7,200m/s?

Answers

1560m/s (by comparison the speed of sound in 20°C dry air is 343.2m/s or 1,126ft/s or 1,236 km/hr or 768mph)   Your Comment






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