A CD with a Diameter of 12

question 29

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 25.0 seconds from the start?

• A) 0.47 m/s²
• B) 0.40 m/s²
• C) 0.34 m/s²
• D) 0.24 m/s²
• E) 0.20 m/s²

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Definitions:

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Nash Equilibrium

Nash Equilibrium is a concept within game theory where no participant can gain by unilaterally changing their strategy if the strategies of the others remain unchanged.

Simultaneous Game

A game in game theory where all players make decisions or choose strategies at the same time without knowledge of the others' choices.

Utility

A measure of satisfaction, usefulness, or pleasure derived from consuming goods and services.