A Disk Has a Moment of Inertia of 2

question 2

Multiple Choice

A disk has a moment of inertia of 2.8 × 10−⁴ kg·m² and rotates with an angular speed of 3.6 rad/sec.What net torque must be applied to bring it to rest within 3.9 s?

• A) 3.9 × 10−⁴ N·m
• B) 3.0 × 10−⁴ N·m
• C) 5.0 × 10−⁴ N·m
• D) 2.6 × 10−⁴ N·m
• E) ​1.4 × 10−⁴ N·m

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Definitions:

Rate

A measure or quantity across a specific time frame, commonly used to calculate speed, frequency, or incidence.

Correlation

A statistical measure that indicates the degree to which two or more variables fluctuate together.

Lillian Rubin

An American sociologist and psychotherapist known for her contributions to understanding the dynamics of family, gender, and class in American society.

Overgeneralization

A logical fallacy involving making broad generalizations from too little evidence or specific cases.