A Uniform Cylinder of Radius R,mass M,and Length L Rotates $\frac { 1 } { 2 } M R ^ { 2 }$

Multiple Choice

A uniform cylinder of radius R,mass M,and length L rotates freely about a horizontal axis parallel and tangent to the cylinder,as shown below.The moment of inertia of the cylinder about this axis is

A) $\frac { 1 } { 2 } M R ^ { 2 }$ .
B) $\frac { 2 } { 3 } M R ^ { 2 }$ .
C) MR².
D) $\frac { 3 } { 2 } M R ^ { 2 }$ .
E) $\frac { 7 } { 5 } M R ^ { 2 }$ .