Question

A ships echo sounder transmits a pulse of sound.it is then reflected back to the ship by shoal of fish to receiver 0.2 sec later.if the shoal of the fish is 120 cm below the ship.what is tbe speed of sou d in water

Answer 1

Answer:

5

Explanation:

Answer 2

Answer:

$speed=\frac{distance}{time}$

$speed=\frac{2*120}{0.2*100}$

$speed=12m/sec.$