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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli
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An unfingered guitar string is 0.73 m long and is tuned to

Chapter 13, Problem 29P

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QUESTION:

Problem 29P

An unfingered guitar string is 0.73 m long and is tuned to play E above middle C (330 Hz). (a) How far from the end of this string must a fret (and your finger) be placed to play A above middle C (440 Hz)? (b) What is the wavelength on the string of this 440-Hz wave? (c) What are the frequency and wavelength of the sound wave produced in air at 20°C by this fingered string?

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QUESTION:

Problem 29P

An unfingered guitar string is 0.73 m long and is tuned to play E above middle C (330 Hz). (a) How far from the end of this string must a fret (and your finger) be placed to play A above middle C (440 Hz)? (b) What is the wavelength on the string of this 440-Hz wave? (c) What are the frequency and wavelength of the sound wave produced in air at 20°C by this fingered string?

ANSWER:

Step 1 of 4

The fundamental frequency of a string/wire can obtain with the help of the string's length, whereas the value of fundamental wavelength can obtain with the help of speed of the wave through the string.

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