Asked by Andew

A sonar device uses sound to measure distance under water. The speed of sound in water is about 1,400 m/s. If a ship sends a signal it reflects back off of an object such as another submarine or a whale and takes 3 seconds to return, how far away is the object?


Answers

Answered by bobpursley
if the three seconds is time going down, and time coming up, then

distance=1/2 (3)(1400) m
Answered by Ethan
25
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