Which of the following quantities does NOT ch | vedclass

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(C) The equation for a damped harmonic oscillator is given by $x(t) = A e^{-bt/2m} \cos(\omega' t + \delta)$,where $A$ is the initial amplitude,$b$ is

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Initial phase

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(C) The equation for a damped harmonic oscillator is given by $x(t) = A e^{-bt/2m} \cos(\omega' t + \delta)$,where $A$ is the initial amplitude,$b$ is the damping constant,$m$ is the mass,$\omega'$ is the damped angular frequency,and $\delta$ is the initial phase.During damping,the amplitude $A e^{-bt/2m}$ decreases exponentially with time.The damped angular frequency $\omega' = \sqrt{\frac{k}{m} - \frac{b^2}{4m^2}}$ is different from the natural frequency $\omega_0 = \sqrt{\frac{k}{m}}$,and the time period $T = \frac{2\pi}{\omega'}$ also changes.The initial phase $\delta$ is determined by the initial conditions (position and velocity at $t = 0$) and remains constant regardless of the damping process.

Which of the following quantities does $NOT$ change due to the damping of oscillations?

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