A Flat Plate Is Placed Within the Plane of the Paper

Multiple Choice

A flat plate is placed within the plane of the paper. The plate is rotating counterclockwise around an axis that is perpendicular to the plate. The direction of its angular momentum is

A) out of the paper toward the observer.
B) into the paper away from the observer.
C) counterclockwise in the plane of the paper.
D) clockwise in the plane of the paper.