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Chapter 16: Q11Q (page 471)

Figure 16-28 shows phasor diagrams for three situations in which two waves travel along the same string. All six waves have the same amplitude. Rank the situations according to the amplitude of the net wave on the string, greatest first.


Short Answer

Expert verified

The ranking of the amplitude isc>a>b

Step by step solution

01

Given

The amplitude of all six waves is the same.

02

Determining the concept

Determine the amplitude of the net wave using the phasor diagram

03

Determining therank of waves according to the amplitude of the net wave

Case a:

Case b:

Case c:

From the phasor diagrams of all three cases, we can rank them as: c>a>b

Hence, the ranking of the amplitude isc>a>b

Therefore, the amplitude of the net wave can be determined by the phasor diagram.

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