Exhibit 16-3 Four Wave Functions Are Given Below

question 1

Multiple Choice

Exhibit 16-3
Four wave functions are given below.
I.y(x, t) = 5sin(4x - 20t + 4)
II.y(x, t) = 5sin(3x - 12t + 5)
III.y(x, t) = 5cos(4x + 24t + 6)
IV.y(x, t) = 14cos(2x - 8t + 3)
Use this exhibit to answer the following question(s) .
-Refer to Exhibit 16-3. Rank the wave functions in order of the magnitude of the wave speeds, from least to greatest.

• A) IV, II, I, III
• B) IV = II, I, III
• C) III, I, II, IV
• D) IV, I, II, III
• E) III, IV, II, I

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Definitions:

Control Group

A group in a study or experiment that does not receive the experimental treatment and is used as a benchmark to gauge the effects of the intervention.

Sunscreens

Products that protect the skin from the harmful effects of ultraviolet radiation by absorbing, reflecting, or scattering sunlight.

Randomization

The process of randomly assigning study participants to different treatment or control groups to reduce biased outcomes in research.

Bias

A systematic error in the collection, analysis, interpretation, or review of data that can lead to conclusions that are systematically different from the truth.