1 A-kg mass is attached to a spring with stiffness 40 N/m. The damping constant for the system is 4 N-sec/m. If the mass is moved m to the left of equilibrium and 15 given an initial leftward velocity of 14 m/sec, determine the equation of motion of the mass and give its damping factor, quasiperiod, and quasifrequency.
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