Page 62 - sss_Neat
P. 62

                           

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





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