(Solution) - In a real string a wave loses some energy as -(2025 Original AI-Free Solution)
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In a real string, a wave loses some energy as it travels down the string. Such a situation can be described by a wave function whose amplitude A(x) depends on x:
y = A(x) (kx- ?t) = (A0e-bx) (kx - ?t) sin (kx ? ?t)
(a) What is the original power carried by the wave at the origin?
(b) What is the power transported by the wave at point x?