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Two harmonic waves moving in the same direction are described by y1(x,t)=10.2sin(4x-700t) and y2(x,t)=10.2sin(4x-700t-7.9). What is the amplitude of the resultant wave at interference
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11 votes
11 votes
Two harmonic waves moving in the same direction are described by y1(x,t)=10.2sin(4x-700t) and y2(x,t)=10.2sin(4x-700t-7.9). What is the amplitude of the resultant wave at interference

User Hardywang
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1 Answer

23 votes
23 votes

Answer:

14.42 units

Step-by-step explanation:

The waves are given as follows :


image

We need to find the amplitude of the resultant wave at interference. Let it be A. So,


image

So, the amplitude of the resultant wave is equal to 14.42 units.

User Dodger
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3.0k points
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