12 A-kg mass is attached to a spring with stiffness 60 Nim. The damping constant for the system is 8 N-secim. If the mass is moved m to the left of equilibrium and given an initial 114 rightward velocity of m/sec, determine the equation of motion of the mass and give its damping factor, quasiperiod, and quasifrequency. What is the equation of motion? X- (Type an exact answer, using radicals as needed.) The damping factor is The quasiperiod is seconds. The quasifrequency is Hz. C

12 A-kg mass is attached to a spring with stiffness 60 Nim. The damping constant for the system is 8 N-secim. If the mass is moved m to the left of equilibrium and given an initial 114 rightward velocity of m/sec, determine the equation of motion of the mass and give its damping factor, quasiperiod, and quasifrequency. What is the equation of motion? X- (Type an exact answer, using radicals as needed.) The damping factor is The quasiperiod is seconds. The quasifrequency is Hz. C