A CD Has a Diameter of 12

question 42

Multiple Choice

A CD has a diameter of 12.0 cm. If the CD starts from rest and has a constant angular acceleration of 2.0 rad/sec², then the tangential acceleration of a point 3.0 cm from the center of the CD after 3.0 sec is

• A) 0.40 m/s².
• B) 0.25 m/s².
• C) 0.10 m/s².
• D) 0.06 m/s².
• E) 0.03 m/s².

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Definitions:

Inter-

Inter- is a prefix meaning between or among, indicating interaction or interconnectedness when used in compound words.

Between

in the interval separating (two points, objects, or times).

Prefix

An affix placed before the stem of a word to modify its meaning, such as "un-" in "unhappy" or "pre-" in "preview."

Before

Prior to in time or order.