The Position of a Mass That Is Oscillating on a Spring

Multiple Choice

The position of a mass that is oscillating on a spring is given by x = (17.4 cm) cos[(5.46 s^-1) t]. What is the angular frequency for this motion?

A) 0.183 rad/s
B) 5.46 rad/s
C) 2.34 rad/s
D) 17.4 rad/s
E) 0.869 rad/s