Two Waves Are Described By: Y1 = 6 Cos 180t

question 30

Multiple Choice

Two waves are described by: y1 = 6 cos 180t and y2 = 6 cos 186t, (both in metres) .With what angular frequency does the maximum amplitude of the resultant wave vary with time?

• A)366 rad/s
• B)6 rad/s
• C)3 rad/s
• D)92 rad/s
• E)180 rad/s

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