The time it will take for a sound to travel 15 metres in freshwater at 25°C = 0.0097sec.
The speed of sound in freshwater at 25°C = 1531 m/s
If 1531meters = 1 second
15 meters = ?
Make ? the subject of formula,
? = 15×1/1531
? = 0.009797517
Therefore, the time it will take for a sound to travel 15 metres in freshwater at 25°C =0.0097 sec.
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