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Statement of a problem № 3462

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A sinusoidal wave on a string travelling in the +x direction has wave number 3/m and angular frequency 20 rad/s. If the amplitude is 0.2 m and the point at x = 0 is at its maximum displacement and t = 0, find the equation of the wave.

Solution:
A sinusoidal wave on a string travelling in the +x direction has wave number 3/m

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