Two Waves Are Described by ​

question 49

Multiple Choice

Two waves are described by ​
Y1 = 6 cos(180t​) and y2 = 6 cos(186t) (both in meters) .
​
What effective frequency does the resultant vibration have at a point?

• A)92 Hz
• B)183 Hz
• C)6 Hz
• D)3 Hz
• E)366 Hz

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