A Disc with Moment of Inertia I₁ = 40 Kg $\omega$

question 18

Multiple Choice

A disc with moment of inertia I₁ = 40 kg.m² and angular velocity $\omega$ ₁ = 20 rad/s is dropped on to a stationary second disc along the axis of rotation.The second disc has moment of inertia I₂ = 60 kg.m².What is the angular velocity of the two discs?

• A)4 rad/s
• B)6 rad/s
• C)8 rad/s
• D)12 rad/s
• E)20 rad/s

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Definitions:

Conduct Disorder

A pattern of behavior in children and adolescents marked by aggression towards people or animals, destruction of property, deceitfulness, theft, or serious violations of rules.

Overt-nondestructive

Refers to actions or behaviors that are openly performed without any intention to harm or destroy.

Juvenile Delinquency

Refers to illegal or antisocial behavior by minors.

Conduct Disorder

A psychological disorder observed in children and adolescents that is characterized by repetitive and persistent patterns of behavior that violate the rights of others or major age-appropriate societal norms or rules.