WE-1 For each function shown below, verify that it is a valid solution to the 1D wave equation. a) D(x, t) = Aln(x + vt) b) D(x, t) = A(x - vt)4 c) D(x, t) = Asin(kx - @t)

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Chapter1: Units, Trigonometry. And Vectors
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**Title: Verifying Solutions to the 1D Wave Equation**

**Objective:**
To verify the validity of given functions as solutions for the one-dimensional (1D) wave equation.

**Instructions:**
Consider each function below and determine if it satisfies the standard form of the 1D wave equation.

**Functions:**

a) \( D(x, t) = A \ln(x + vt) \)

b) \( D(x, t) = A(x - vt)^4 \)

c) \( D(x, t) = A \sin(kx - \omega t) \)

**Explanation:**

- Each function represents a potential solution to the wave equation, which models wave propagation on a string or through a medium.

- The goal is to substitute each function into the wave equation and check if the equality holds, verifying if it's a valid solution.

**Note:**
- \( A \), \( k \), \( \omega \), and \( v \) are parameters which may represent amplitude, wave number, angular frequency, and wave speed, respectively.
- The notation \( \ln \) refers to the natural logarithm, while \( \sin \) denotes the sine function, which is typical in sinusoidal wave descriptions. 

Use calculus and algebraic manipulation to perform your verification, ensuring each function meets the criteria of a solution to the wave equation.
Transcribed Image Text:**Title: Verifying Solutions to the 1D Wave Equation** **Objective:** To verify the validity of given functions as solutions for the one-dimensional (1D) wave equation. **Instructions:** Consider each function below and determine if it satisfies the standard form of the 1D wave equation. **Functions:** a) \( D(x, t) = A \ln(x + vt) \) b) \( D(x, t) = A(x - vt)^4 \) c) \( D(x, t) = A \sin(kx - \omega t) \) **Explanation:** - Each function represents a potential solution to the wave equation, which models wave propagation on a string or through a medium. - The goal is to substitute each function into the wave equation and check if the equality holds, verifying if it's a valid solution. **Note:** - \( A \), \( k \), \( \omega \), and \( v \) are parameters which may represent amplitude, wave number, angular frequency, and wave speed, respectively. - The notation \( \ln \) refers to the natural logarithm, while \( \sin \) denotes the sine function, which is typical in sinusoidal wave descriptions. Use calculus and algebraic manipulation to perform your verification, ensuring each function meets the criteria of a solution to the wave equation.
Expert Solution
Step 1

The equation to describe the one dimensional wave function is given as

2ψx2=1v2ψt2   .........   (1)

where ψ is the wave function and v is the velocity of the wave in the given medium which can be defined as v=ωk where ω is the angular frequency and k is the wave vector.

 

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