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:

Fair Market Value

An estimate of the market value of a property, based upon what a knowledgeable, willing, and unpressured buyer would probably pay to a knowledgeable, willing, and unpressured seller in the market.

Unilateral Contract

A type of contract in which only one party makes a promise or undertakes a performance in exchange for an act, rather than a promise, from the other party.

Consideration

A legal term referring to something of value exchanged between parties as part of a contract.

Promise

An assertion or commitment to perform a certain action or to ensure an event takes place.