Question

HELP I WILL BECOM A FAN AND GIVE U A MEADL IF YOU ANSWER THIS QUESTION!!!!!!!!!

iM IN 8TH Grade and plz make it easy to understand thanks!

1) what is happening in the diagram below??

Answer 1

Its a radar system, The Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves.

Two Types:
1)Active Sonar
Active sonar transducers emit an acoustic signal or pulse of sound into the water. If an object is in the path of the sound pulse, the sound bounces off the object and returns an “echo” to the sonar transducer.

2) Passive Sonar
Passive sonar systems are used primarily to detect noise from marine objects (such as submarines or ships) and marine animals like whales. Unlike active sonar, passive sonar does not emit its own signal, which is an advantage for military vessels that do not want to be found or for scientific missions that concentrate on quietly “listening” to the ocean. Rather, it only detects sound waves coming towards it. Passive sonar cannot measure the range of an object unless it is used in conjunction with other passive listening devices. Multiple passive sonar devices may allow for triangulation of a sound source.

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Answer 2

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