Page 50 - EmodulGelombang
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                         


                                                                    
                                                                       
                                                      +     
                                                =              
                                                
                   km     90.000 m                      
           = 90   jam  =   3600 s               340 m/s + 25 m/s
            
            = 25 m/s                         =       340 m/s       × 750 Hz
           = 750 Hz
           
             = 0 m/s                         =  365 m/s  × 750Hz
           
              = 340 m/s                         340 m/s
                                             = 805,15 Hz






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