Brody and Ethel are arguing about waves. Brody says that waving his hand back and forth is a scientific wave. Ethel says that it is not. Which statement best describes who is correct?
-Brody is correct because the wave involves an input of energy.
-Ethel is correct because energy is not carried from one place to another.
-Brody is correct because the pattern repeats.
-Ethel is correct because the motion has no pattern.
Also ...
Khalad is measuring the amplitude of a wave. What can be known about this wave?
-It is a sound wave.
-It is a transverse wave.
-It is an electromagnetic wave.
-It is a mechanical wave.
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