A 30-Kg Mass Is Attached to a Spring with a Force

Multiple Choice

A 3.0-kg mass is attached to a spring with a force constant of 48 N/m. The motion is subject to a damping force F =-b , where b = 4.0 kg/s. The mass is subjected to an oscillating force with a driving frequency ω. At what value of ω will the oscillations have their maximum amplitude?

A) 3.89 rad/s
B) 4.00 rad/s
C) 3.33 rad/s
D) 4.67 rad/s
E) 4.11 rad/s