A Turntable Has a Moment of Inertia of 3

question 54

Multiple Choice

A turntable has a moment of inertia of 3.0 x 10^-2 kg*m² and spins freely on a frictionless bearing at 25 rev/min.A 0.30-kg ball of putty is dropped vertically on the turntable and sticks at a point 0.10 m from the center.By what factor does the kinetic energy of the system change after the putty is dropped onto the turntable?

• A)0.91
• B)1.0
• C)0.82
• D)1.5

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Definitions:

Externalities

Monetary consequences or side effects that touch upon third parties not directly engaged, with potential for both positive or negative outcomes.

Private Bargaining

Private bargaining refers to the negotiation process between individuals or private entities without external intervention, aimed at reaching mutual agreements or resolving disputes.

Laissez-faire Style

A leadership or management style characterized by minimal direct supervision, allowing employees significant autonomy in their day-to-day operations.

Task

A specific assignment or piece of work to be done, usually as part of broader duties or projects.