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Two sinusoidal waves travelling in the same direction with the same amplitude,
wavelength, and speed, interfere with each other to give the resultant wave:
y_res (x,t) = 8 cm sin(4ttx-60rtt+r/3). The amplitude of the individual waves
generating this wave is:
2 cm
2/13 cm
4 cm
4/V3 cm
8 cm

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