A Compact Disc Rotates About Its Center at Constant Angular

question 34

Multiple Choice

A compact disc rotates about its center at constant angular speed. Which one of the following quantities is constant and non-zero for a dust particle near the edge of the disc?

• A)linear velocity
• B)torque about the center of the disc
• C)centripetal acceleration
• D)angular momentum
• E)angular acceleration

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Definitions:

Genuine

Referring to honesty, authenticity, and sincerity in one’s behavior and interactions with others.

Empathic

Having the capacity to understand and share the feelings or emotional states of another person.

Projection

A defense mechanism in which individuals attribute their own unacceptable thoughts, feelings, or motives to another person.

False Consensus Effect

The tendency to overestimate the extent to which others share our beliefs, attitudes, and behaviors.