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An empirical formula giving the velocity of sound in distilled water as a func- tion of temperature at a pressure of one atmosphere in the range 0-60°C is v = 1403 + 5t-0.06t 2 + 0.0003t 3 where t is the temperature of water in °C and v is in m/s. (a) Determine the velocity of sound in distilled water at 20°C and (b) find the change of velocity of sound per degree Celsius at this temperature. |
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