A Particle Undergoes Damped Harmonic Motion

Multiple Choice

A particle undergoes damped harmonic motion.The spring constant is 100 N/m; the damping constant is 8.0 x 10^-3 kg∙m/s, and the mass is 0.050 kg.If the particle starts at its maximum displacement, x = 1.5 m, at time t = 0, what is the angular frequency of the oscillations?

A) 4.0 rad/s
B) 8.0 rad/s
C) 12 rad/s
D) 23 rad/s
E) 45 rad/s