A single degree of freedom system of mass 22 kg and stiffnes

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Civil Engineering

4

M: +2.00/-0.66

A single degree of freedom system of mass 22 kg and stiffness 17 kN/m vibrates freely. If damping in the system is 2%, the cyclic frequency and the damped circular frequency, respectively, are nearly

[ESE (IES) CE 2017 Technical]

A 0.4 Hz and 0.88 rad/sec

B 0.88 Hz and 27.8 rad/sec

C 4.4 Hz and 27.8 rad/sec

D 0.88 Hz and 0.88 rad/sec