A CD Has a Diameter of 12

question 64

Multiple Choice

A CD has a diameter of 12.0 cm and is rotating at an angular velocity of 10.0 rad/sec. If the CD has a constant angular acceleration of −0.5 rad/sec², then the angular velocity of the CD after 3.0 sec is

• A) 5.7 rad/s.
• B) 6.2 rad/s.
• C) 7.9 rad/s.
• D) 8.5 rad/s.
• E) 9.8 rad/s.

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Definitions:

Opportunity Cost

The cost of forgoing the next best alternative when making a decision, representing the benefits one could have received by taking a different course of action.

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The act of enrolling and participating in an academic program at a college or university.

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Resources that are limited in availability and are not sufficient to satisfy all the various ways a society wants to use them.

Efficient Market

a market hypothesis asserting that asset prices fully reflect all available information, making it impossible to consistently achieve higher returns.