Quantities Relating to the Measurement of Sound Intensity

                                Basic Measures
                                        
           Name             Unit                 Symbol
                    
           Mass             gram                       m                         
          Length            cm                         x                         
           Time             sec                        t                         

                               Derived Measures
                                       
           Name             Unit                 Definition 
               
         Velocity           cm/sec                      v = x/t                   
       Acceleration         cm/sec^2                    a = v/t                   
          Force             dyne = gram cm/sec^2        F = ma                    
           Area             cm^2                        A = x^2                    
        Pressure*           ubar = dyne/cm^2            p = F/A                   
      Energy (Work)         erg = dyne cm               E = Fx                    
          Power             watt = 10^7 dyne cm/sec     P = E/t                   
        Intensity           watt/cm^2                   I = P/A                   


 
*Also expressed as micropascals, uPa = 100,000 dyne/cm^2.