Two Waves Travel Simultaneously Through the Same Medium

question 50

Multiple Choice

Two waves travel simultaneously through the same medium. The first wave is described by y₁(x,t) = (2.00 cm) cos[kx-ωt] and the second wave by y₂(x,t) = (3.00 cm) sin(kx-ωt) . If the resulting superposition can be written as y(x,t) = Ccos(kx-ωt + δ) , what is the value of δ?

• A)0.983
• B)1.50
• C)0.833
• D)0.782
• E)0.667

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