At 25 C, the speed of sound is 1,246 kilometres per hour. On a cold day, when the temperature is minus 25, the speed of sound would be about 1,137 kilometres per hour, or about 10 per cent slower. The speed of sound changes by about . 6 metres per second for every degree.
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Answer:
At 25 C, the speed of sound is 1,246 kilometres per hour. On a cold day, when the temperature is minus 25, the speed of sound would be about 1,137 kilometres per hour, or about 10 per cent slower. The speed of sound changes by about . 6 metres per second for every degree.