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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