Question

The speed of sound in water is 1,492 m/s. A sonar signal is sent straight down from a ship at a point just below the water's surface and 7.5 s later the reflected signal is detected. How deep is the ocean beneath the ship?

Answer 1

5595 m

Step-by-step explanation:

The wave travels down (the depth) and the back up (the depth again)

this distance is 2 d

2 d = 1492 m/s * 7.5 s

2d = 11190 m

d = 5595 m