  Two eagles fly directly toward one another, the first at15.0 m/s and the second at 20.0 m/s. Both screech, the firstone emitting a frequency of 3200 Hz and the second oneemitting a frequency of 3800 Hz. What frequencies do theyreceive if the speed of sound is 330 m/s?

Question

Two eagles fly directly toward one another, the first at
15.0 m/s and the second at 20.0 m/s. Both screech, the first
one emitting a frequency of 3200 Hz and the second one
emitting a frequency of 3800 Hz. What frequencies do they
receive if the speed of sound is 330 m/s?

Step 1

For the first case, the first eagle is the source and the second eagle is the observer. Both the observer and the source are moving. The variables to decribe the doppler effect equation are observed frequency f , actual frequency f0 , speed of sound v, speed of observer v0 and speed of source vs .

Step 2

Substituting the values,

Step 3

For the second case, the second eagle is the source and the first eagle is the observer. The doppler effect equati...

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