In the Figure Below,a Disk (Radius R = 1 $I _ { \mathrm { cm } } = \frac { 1 } { 2 } m R ^ { 2 }$

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, $I _ { \mathrm { cm } } = \frac { 1 } { 2 } m R ^ { 2 }$ .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