Solved: If the velocity of blood flow in the aorta is

Chapter 13, Problem 85GP

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QUESTION:

Problem 85GP

If the velocity of blood flow in the aorta is normally about 0.32 m/s, what beat frequency would you expect if 5.50-MHz ultrasound waves were directed along the flow and reflected from the red blood cells? Assume that the waves travel with a speed of 1.54 × 103m/s.

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QUESTION:

Problem 85GP

If the velocity of blood flow in the aorta is normally about 0.32 m/s, what beat frequency would you expect if 5.50-MHz ultrasound waves were directed along the flow and reflected from the red blood cells? Assume that the waves travel with a speed of 1.54 × 103m/s.

ANSWER:

Step 1 of 3

The following are given by the question:

Velocity of blood, 

Frequency of the sound, 

The velocity of sound, 

Since the blood and source are moving away from each other,

                                                         

As  

                                                      

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