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A sonar device fitted in a submarine receives an echo later the signal is transmitted towards another submarine away. Find the speed of sound in water.

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answer is A.

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Detailed Solution

Concept- In the answer, we apply the basic relationship between speed, distance, and time to calculate the speed of sound in water given the time and distance data.
Distance between two submarines,

the amount of time it takes a signal to travel from a submarine's sonar,

velocity of sound in water

Hence, the correct option is 1.

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