# HW Ch18 - HW Ch. 18 Wave Superposition and Interference...

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Wave Superposition and Interference Chapter 18: Wave Superposition and Interference Conceptual problems 18.C. 1 (10.00 ) A guitar designer is trying out a string of mass per unit length μ . In order to have a fundamental frequency of f o , the required tension in this string is F T . However, she finds that when this tension is applied, this string snaps under the applied stress. Will using a string made of the same material, only thicker, solve her design problem? Explain your answer. No Yes No (0/1 submissions used) (0/6 submissions used) Section 0: Introduction 18.0.1 (5.00) Use the simulation in the first interactive problem in Section 18.0 to create a situation where the pulses will exactly cancel each other out. (a) If the left pulse is a peak, what should the right pulse be? (b) If the amplitude of the left pulse is 2.00 m, what should the amplitude of the right pulse be? (c) If the width of the left pulse is 1.00 m, what should the width of the right pulse be? (a) Peak Trough (0/1 submissions used) trough (b) (0/6 submissions used) m 2 (c) (0/6 submissions used) m 1 Section 7: Harmonics 18.7.1 (5.00) What is the fundamental frequency of a 4.65×10 −3 kg, 2.50-meter string under 438 newtons of tension? 97.1

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## This note was uploaded on 05/11/2011 for the course PHYS 1401 taught by Professor Broyles during the Spring '08 term at Collin College.

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HW Ch18 - HW Ch. 18 Wave Superposition and Interference...

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