A Small Sphere Attached to a Light Rigid Rod Rotates

question 67

Multiple Choice

A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. Relative to the positive direction of the axis of rotation, the angular positions of the sphere are negative, its angular velocity is negative, and its angular acceleration is positive. The sphere is

• A) rotating clockwise and slowing down.
• B) rotating counterclockwise and slowing down.
• C) rotating clockwise and speeding up.
• D) rotating counterclockwise and speeding up.
• E) first rotating counterclockwise and then clockwise.

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Definitions:

Erectile Dysfunction

A condition where a man has difficulty achieving or maintaining an erection adequate for sexual intercourse.

Desired Compound

A specific chemical substance that is the target or end result of a chemical synthesis or reaction.

Synthetic Reaction

A chemical process in which substances are combined to produce a new compound.

Chemical Kinetics

The branch of chemistry that studies the rates of chemical reactions and the factors that affect those rates.