9.0 A Mass Spring of Ky is suspended on a pulled a distance of 15mm and let go. It is observer that the amplitube reduces to 12% of its Initial Valve after two oscillations, taking seconds to do so Calculate + 0.So a) the damping ratio 6) The natural frequency. c) The dumped frequency

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Free Damped Vibrations

Free vibration is a type of vibration in which the external force is removed after giving the initial displacement to a body/system. In other words, in this type of vibration, force is applied at the initial displacement of the system, and after the initial displacement, force is removed, and the system vibrates at the natural frequency.