A CD with a Diameter of 12

question 62

Multiple Choice

A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.0 rad/sec² acquires an angular velocity of 5.0 rad/sec. The CD continues rotating at 5.0 rad/sec for 15.0 seconds and then slows to a stop in 12.0 second with a constant angular acceleration. What is the radial acceleration of a point 4.0 cm from the center at the time 2.0 seconds from the start?

• A) 0.37 m/s²
• B) 0.30 m/s²
• C) 0.28 m/s²
• D) 0.21 m/s²
• E) 0.16 m/s²

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Definitions:

Collective Ownership

The shared control and ownership of assets, resources, or enterprises among a group of people or within a community, as opposed to individual privatization.

Bureaucracy

An organizational structure characterized by standardized procedures, hierarchical divisions, and a clear set of rules guiding operations.

Rational Organization

An approach to organizational management that emphasizes efficiency, predictability, calculability, and control through a structured and logical framework.

Bureaucracy

A system of government or business administration characterized by a hierarchy of authority, a clear division of labor, explicit rules, and impersonality in the application of rules.