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s_chapter_16

# s_chapter_16 - Chapter 16 Superposition and Standing Waves...

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1537 Chapter 16 Superposition and Standing Waves Conceptual Problems 1 [SSM] Two rectangular wave pulses are traveling in opposite directions along a string. At t = 0, the two pulses are as shown in Figure 16-29. Sketch the wave functions for t = 1.0, 2.0, and 3.0 s. Picture the Problem We can use the speeds of the pulses to determine their positions at the given times. 2 Repeat Problem 1 for the case in which the pulse on the right is inverted. Picture the Problem We can use the speeds of the pulses to determine their positions at the given times. 3 Beats are produced by the superposition of two harmonic waves if ( a ) their amplitudes and frequencies are equal, ( b ) their amplitudes are the same but their frequencies differ slightly, ( c ) their frequencies differ slightly even if their amplitudes are not equal, ( d ) their frequencies are equal but their amplitudes differ slightly.

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