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Two waves traveling on a string in the same direction both have a frequency of 269...

Two waves traveling on a string in the same direction both have a frequency of 269 Hz, a wavelength of 0.29 m, and an amplitude of 0.44 m. What is the amplitude of the resultant wave if the original waves differ in phase by π/3 rad?

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What is the phase difference between the two waves if the amplitude of the resultant wave is 0.22 m?

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