Suppose the amplitude of a forced oscillator is given as xm=Fm[m2(ω2d−ω2)+b2ω2d]12 where Fm is the (constant) amplitude of the external oscillating force. At resonance,
what are the amplitude and velocity amplitude of the oscillating object?
Fmbω,Fmbω2
Fmbωd,Fmb
Fmbω,Fmb
None of these
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