is. In the figure a French submarine and a US submarine move toward each other d

Question

is. In the figure a French submarine and a US submarine move toward each other during maneuvers in motionless water in the North Atlantic. The French sub moves at the sub at vrs The French sub sends out a sonar signal sound wave in water) at the frequency f Sonar waves travel at v, I French II IIIIIIIIIII III U.S. What is the signals frequency as detected by the US sub? A) f (v vus) C) f(vus v, vr) 19. What frequency is detected by the French Usb in the signal renected back to it by the us sub? A) f(v, vr) (v, 20 vr 1oms, vus sms f 10 Hz. quantif the two frequencies assuming that sonar waves propagate at 1500 m/s. A) 980 Hz B) 990 Hz C) 100 Hz. D) -1010 Hz E) 1020 Hz

Explanation / Answer

18==a

19==a

20==d

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