In the figure, a French submarine and a U.S. submarine move toward each other during maneuvers in motionless water in the North Atlantic. The French sub moves at speed vF = 155 km/h, %3D and the U.S. sub at vus = 244 km/h. The French sub sends out a sonar signal (sound wave in water) at 1,587 Hz. Assume that sonar waves travel at 5000 km/h. French U.S. What frequency is detected by the French sub in the signal reflected back to it by the U.S. sub? Express your answer in Hz.
In the figure, a French submarine and a U.S. submarine move toward each other during maneuvers in motionless water in the North Atlantic. The French sub moves at speed vF = 155 km/h, %3D and the U.S. sub at vus = 244 km/h. The French sub sends out a sonar signal (sound wave in water) at 1,587 Hz. Assume that sonar waves travel at 5000 km/h. French U.S. What frequency is detected by the French sub in the signal reflected back to it by the U.S. sub? Express your answer in Hz.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:In the figure, a French submarine and a
U.S. submarine move toward each
other during maneuvers in motionless
water in the North Atlantic. The French
sub moves at speed vF = 155 km/h,
and the U.S. sub at vus = 244 km/h.
The French sub sends out a sonar
signal (sound wave in water) at 1,587
Hz. Assume that sonar waves travel at
5000 km/h.
1111
French
U.S.
What frequency is detected by the
French sub in the signal reflected back
to it by the U.S. sub?
Express your answer in Hz.
Expert Solution
Step 1
Given data:
- The speed of the French submarine is vF = 155 km/h.
- The speed of the U.S. submarine is vUS = 244 km/h.
- The frequency of the sonar signal sent by the French submarine is f = 1587 Hz.
- The speed of the sonar wave is V = 5000 km/h.
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