Which of the Following Is a Solution to the Wave $\frac{\partial^{2} y}{\partial x^{2}}=\frac{1}{v^{2}} \frac{\partial^{2} y}{\partial t^{2}}$

question 45

Multiple Choice

Which of the following is a solution to the wave equation, $\frac{\partial^{2} y}{\partial x^{2}}=\frac{1}{v^{2}} \frac{\partial^{2} y}{\partial t^{2}}$ ?

• A) \(\frac{e^{-x}}{x} \sin x\)
• B)(cos kx) (sin\( \omega \)t)
• C)e-x sin \( \omega \)t
• D)e-x sin (kx -\( \omega \)t)
• E)e-x cos t

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