Question

An echo-sounder in a fishing boat
receives an echo from a shoal of fish
0.45 s after it was sent. If the speed of
sound in water is 1500 m/s, how deep is
the shoal?​

Answer 1

Answer:337.5m

Explanation:

Distance of shoal=(speed of sound×time)/2

=(1500×0.45)/2=675/2=337.5m

Answer 2

Hey mate!!

Refer to the attachment above for your answer!!✔✔