A CD with a Diameter of 12

question 10

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 deceleration.What is the tangential velocity of a point 4.0 cm from the center at the time 2.0 seconds from the start?

• A) 0.060 m/s
• B) 0.080 m/s
• C) 0.10 m/s
• D) 0.14 m/s
• E) 0.18 m/s

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Definitions:

BIRGing

"Basking in Reflected Glory," a behavior where individuals associate themselves with successful others to improve their own self-esteem.

Self-Schematic

Relating to or concerning the cognitive aspects that represent how individuals perceive themselves in different contexts.

Dimensions

Measurable features that define or differentiate objects, concepts, or conditions along various axes like size, time, or scope.

Extreme

Positions, opinions, or actions that are far removed from the ordinary or moderate; often implying a significant deviation from the norm.