At T = 0, a Wheel Rotating About a Fixed

question 58

Multiple Choice

At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2.0 rad/s. Two seconds later it has turned through 5.0 complete revolutions. What is the angular acceleration of this wheel?

• A) 17 rad/s²
• B) 14 rad/s²
• C) 20 rad/s²
• D) 23 rad/s²
• E) 13 rad/s²

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Definitions:

Systematic Desensitization

A behavioral therapy technique used to reduce phobic or anxiety responses by gradually exposing the person to the feared object or situation in a controlled manner.

Humanistic Therapy

A form of psychotherapy that emphasizes personal growth and the concept of self-actualization.

Cognitive Therapy

A type of psychotherapy that focuses on changing negative patterns of thought to improve emotional well-being and behavior.

Aversive Conditioning

A method of behavior modification that uses negative stimuli to induce a change in behavior.