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In a submarine equipped with sonar, the time delay between the generation of a pulse and its echo after reflection from an enemy submarine is observed to be 80 sec. If the speed of sound in water is 1460 ms-1. What is the distance of enemy submarine?

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Respuesta :

First find time taken to reach submarine

[tex]\\ \bull\tt\dashrightarrow t=\dfrac{80}{2}=40s[/tex]

  • Velocity=1460m/s

[tex]\\ \bull\tt\dashrightarrow Distance=Velocity \times Time[/tex]

[tex]\\ \bull\tt\dashrightarrow Distance=1460(40)[/tex]

[tex]\\ \bull\tt\dashrightarrow Distance=58400m[/tex]

[tex]\\ \bull\tt\dashrightarrow Distance=58.4km[/tex]

Answer:

116800 meters away i think:)

Explanation:

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