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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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A wave on a suing is described by the following equation:

Chapter 14, Problem 23P

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QUESTION:

A wave on a string is described by the following equation:

     \(y=(15\ \mathrm {cm})\cos(\frac{\pi}{5.0\ \mathrm{cm}}x-\frac{\pi}{12\ \mathrm s}t)\)

(a) What is the amplitude of this wave? (b) What is its wavelength? (c) What is its period? (d) What is its speed? (e) In which direction does the wave travel?

Equation Transcription:

Text Transcription:

y=(15 cm)cos(frac{pi}{5.0 cm}x-frac{pi}{12 s}t)

Questions & Answers

QUESTION:

A wave on a string is described by the following equation:

     \(y=(15\ \mathrm {cm})\cos(\frac{\pi}{5.0\ \mathrm{cm}}x-\frac{\pi}{12\ \mathrm s}t)\)

(a) What is the amplitude of this wave? (b) What is its wavelength? (c) What is its period? (d) What is its speed? (e) In which direction does the wave travel?

Equation Transcription:

Text Transcription:

y=(15 cm)cos(frac{pi}{5.0 cm}x-frac{pi}{12 s}t)

ANSWER:

Step 1 of 6

Part (a)

The expression for the wave on a string is expressed as

We need to find the amplitude of the wave.

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