In the Figure Below, a Disk (Radius R = 1

Multiple Choice

In the figure below, a disk (radius R = 1.0 m, mass = 2.0 kg) is suspended from a pivot a distance d = 0.25 m above its center of mass. For a circular disk, . The angular frequency (in rad/s) for small oscillations is approximately ​ ​

A) 4.2.
B) 2.1.
C) 1.5.
D) 1.0.
E) 3.8.