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//Example 14_5
clc();
clear;
//To find the frequency heard and the receding
f=500 //Units in Hz
vw=340 //Units in meters/sec
dist=20 //Units in meters/sec
f1=f*(vw/(vw-dist)) //Units in Hz
printf("The frequency we hear is f=%d Hz\n",f1)
f1=f*(vw/(vw+dist)) //Units in Hz
printf("The frequency of the receding is f=%d Hz\n",f1)
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