Water  Speed of Sound vs. Temperature
Speed of sound in water at temperatures ranging 32  212^{o}F (0  100^{o}C)  Imperial and SI units.
Speed of Sound in Water  imperial units (BG units)
Temperature  t  (^{o}F)  Speed of Sound  c  (ft/s) 

32  4603 
40  4672 
50  4748 
60  4814 
70  4871 
80  4919 
90  4960 
100  4995 
120  5049 
140  5091 
160  5101 
180  5095 
200  5089 
212  5062 
Speed of Sound in Water  in SI units
Temperature  t  (^{o}C)  Speed of Sound  c  (m/s)  

Water  Seawater  
0  1403  1449 
5  1427  
10  1447  1490 
20  1481  1522 
30  1507  1546 
40  1526  1563 
50  1541  
60  1552  
70  1555  
80  1555  
90  1550  
100  1543 
 Seawater with salinity S = 35 (35.17 g/kg)
 1 m/s = 3.28 ft/s
 Speed and Velocity of Sound  Speed of sound in air, fluids and solids. Formulas and values for different materials
Note that speed is a scalar quantity. Velocity is vector quantity with direction.
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Room acoustics and acoustic properties, decibel A, B and C, Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity and sound attenuation. 
Fluid Mechanics
The study of fluids  liquids and gases. Involving velocity, pressure, density and temperature as functions of space and time. 
Material Properties
Material properties of gases, fluids and solids  densities, specific heats, viscosities and more.
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