2. A standing wave in a 9m rope has a frequency of 28 Hz at the second harmonic. a. What is the frequency of the 3rd harmonic? b. What is the frequency of the 1* harmonic? c. What is the wave's velocity?

2. A standing wave in a 9m rope has a frequency of 28 Hz at the second harmonic. a. What is the frequency of the 3rd harmonic? b. What is the frequency of the 1* harmonic? c. What is the wave's velocity?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter14: Vibrations And Waves

Section14.2: Wave Properties

Problem 15PP

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Concept explainers

Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.

Question

2. A standing wave in a 9m rope has a frequency of 28 Hz at the second harmonic.
a. What is the frequency of the 3rd harmonic?
b. What is the frequency of the 1* harmonic?
c. What is the wave's velocity?

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