A motion is described by y = 3 e x ⋅ e − 3 t where y , x are in metre and t is in second:

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A motion is described by $y = 3 e^{x} \cdot e^{- 3 t}$ where $y, x$ are in metre and $t$ is in second:

Answer:

Solution:

$y = 3 e^{x - 3 t}$ is a function of $(x - 3 t)$ only, so it is a travelling wave moving to $+ x$ at 3 m/s.

Stream:JEESubject:PhysicsTopic:Wave on StringSubtopic:Waves

⏱ 2mℹ️ Source: QB

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