A Turntable Has a Moment of Inertia of 3

question 23

Multiple Choice

A turntable has a moment of inertia of 3.0 *10^-2 kg·m² and spins freely on a frictionless bearing at 25 rev/min. A 0.60-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) 0.83
• D) 1.5

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Definitions:

Vouchers

Certificates or other documents that can be used as money or for obtaining a discount on goods or services, often used in educational funding.

Credential Inflation

The devaluation of educational qualifications over time, requiring higher levels of education to qualify for certain jobs.

Cultural Capital

Non-financial social assets that promote social mobility beyond economic means, including education, intellect, style of speech, and appearance.

Professionalization

The process by which an occupation transforms into a profession, typically involving the development of formal training programs, ethical standards, and officially recognized certification.