Two Sinusoidal Waves Have the Same Angular Frequency, the Same

question 13

Multiple Choice

Two sinusoidal waves have the same angular frequency, the same amplitude y_m, and travel in the same direction in the same medium.If they differ in phase by 50 ° , the amplitude of the resultant wave is given by

• A)0.64 y_m
• B)1.3 y_m
• C)0.91 y_m
• D)1.8 y_m
• E)0.35 y_m

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