Q. 67 B5.0( 5 Votes )
A sonar station picks up a return signal after 3 seconds. How far away is the object? (Speed of sound in water = 1440 m/s).
Time of echo = 3 s
speed of sound = 1440 m/s
Distance = (v × t)/2 = (1440 × 3)/2 = 2160 m
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