Question

a sonar unit of a su sonar unit of a submarine sends out the pulse of sound into seawater the pulse returns 2.78 seconds later what is the distance between the object and the submarine question mark the speed of sound in seawater is 1522 metre per second​

Answer 1

Answer:

Explanation:speed=1522m/s

And time taken to cover distance in one way =2.78/2 second

So distance is 1522×(2.78÷2)=2115.58 m

Answer 2

Answer:

2115.58 ans sir ^_^ ^_^_