Determine the free-vibration response of the bar of Figure P8.30 is the mass center is displaced \(1 \mathrm{~cm}\) from equilibrium while the bar is held horizontal and the system released from this position.

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1 1.5 m 0.5 m-- Uniform bar m = 120 kg 1=1.5 kg m 4 x 105 N/m 500 N s/m 4 105 N/m 500 N s/m FIGURE P8.30