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Found in: Page 471

### Fundamentals Of Physics

Book edition 10th Edition
Author(s) David Halliday
Pages 1328 pages
ISBN 9781118230718

# 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.

The ranking of the amplitude is $c>a>b$

See the step by step solution

## Given

The amplitude of all six waves is the same.

## Determining the concept

Determine the amplitude of the net wave using the phasor diagram

## 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: $c>a>b\phantom{\rule{0ex}{0ex}}$

Hence, the ranking of the amplitude is $c>a>b$

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