Exhibit 17-3Four 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 17-3. 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
Answer: B
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