Question

A ship's fathometer (an echo sounder) transmits a sound pulse and records the return of an echo 7.4 seconds later. If the speed of sound in water is 1500 m/second, what is the water depth in meters

Answer 1

Based on the velocity of sound in water,  the depth of the water is 5550 m.

What is the depth of the water if a transmitted sound pulse returns  an echo 7.4 seconds later?

The velocity of sound in water =  1500 m/s

Time taken to receive the echo = 7.4 seconds

• Distance travelled by sound = speed * time

Distance = 1500 * 7.4

Distance = 11100 m

Since this is a to and fro distance covered

• Depth of the water = distance travelled/ 2

Depth of water = 11100/2

Depth of water = 5550 m

Therefore, the depth of the water is 5550 m.

Learn more about echo and sound at: brainly.com/question/14090821