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Two sinusoidal waves of the same frequency travel in the same direction along a string. If ym1 = 4.8 cm, ym2 = 6.8 cm, ?1 = 0, and ?2 = ?/6 rad, what is the amplitude (in cm) of the resultant wave?
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Question: A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.25 \mu {\rm T} and a wavelength of 432 {\rm nm} is traveling in the + x direction through empty space. Write the equations for the electr ...
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