Asked by Anonymous

How do sound waves travel between a boat and a submarine in sonar technology?

A. Because of water particles.
B. Because of water waves.
C. Because of water ripples.
D. Because of water currents.

Is it A?
Answered by Anonymous
Someone else said that it wasn't B.
Answered by bobpursley
the movement of the sound energy is in waves in the water.
Answered by Anonymous
Ok, I'm really confused. Sometime ago, PSYDag said that B wouldn't apply if the water was quiet.
Answered by bobpursley
I am thinking DAG was thinking of waves on the surface, like surfing. Sound waves are not like that, they are pressure waves underwater.
Answered by bobpursley
To be honest, the teacher here did not give good choices. A good choice has no ambiguity.
Answered by Jules
G8 Electromagnetic Radiation

1. Mechanical waves require a medium to travel in; electromagnetic waves do not.

2. radio waves

3. X-rays have greater frequency then microwaves.

4. 3 Hz

5. Longitudinal, transverse, and surface

6. It is reflected.

7. water particles

8. A 10 liter container that has 5000 molecules.

9. They will be absorbed.

10. wave B; wave A

I assure you that these answers are correct relating to the Unit 3 Lesson 3 Quiz with 10 questions. I got 100% and actually found this quiz easier than I expected. Peace! ~ Jules
Answered by bro
jules is 100 right I got a 100
Answered by Halle
Jules is 100% right, I got a 100%!!! Thanks!!!
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