The equation of a wave travelling on a string is

Question:

The equation of a wave travelling on a string is

$\mathrm{y}=(0.10 \mathrm{~mm}) \sin \left[\left(31.4 \mathrm{~m}^{-1}\right) \mathrm{x}+\left(314 \mathrm{~s}^{-1}\right) \mathrm{t}\right]$

(a) In which direction does the wave travel

(b) Find the wave speed the wavelength and the frequency of the wave.

(c) What is the maximum displacement and the maximum speed of a portion of the string?

Solution:

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