A Wheel Initially Has an Angular Velocity of 18 Rad/s

question 3

Multiple Choice

A wheel initially has an angular velocity of 18 rad/s.It has a constant angular acceleration of 2.0 rad/s² and is slowing at first.What time elapses before its angular velocity is18 rad/s in the direction opposite to its initial angular velocity?

• A)3.0 s
• B)6.0 s
• C)9.0 s
• D)18 s
• E)36 s

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Definitions:

Abstract Thought

The ability to think about objects, principles, and ideas that are not physically present. It is a level of thinking that involves processing ideas beyond concrete reality.

Reversibility

In cognitive development, reversibility refers to the understanding that objects can be changed and then returned back to their original form or condition, a concept introduced by Jean Piaget.

Accommodation

In psychology, the process of modifying existing cognitive schemas, perceptions, or understanding as a result of new information or experiences.

Schema

A cognitive framework or concept that helps organize and interpret information from the environment.