How many periods will the amplitude have decreased

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Reference no: EM13978153

A damped harmonic oscillator loses 11 percent of its mechanical energy per cycle.

(a) By what percentage does its frequency differ from the natural frequency f0 = (1/2\pi)\sqrt{k/m}.

(b) After how many periods will the amplitude have decreased to 1/e of its original value?

Reference no: EM13978153

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