A CD with a Diameter of 12

question 45

Multiple Choice

A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.00 rad/sec² acquires an angular velocity of 5.00 rad/sec. The CD continues rotating at 5.00 rad/sec for 15.0 seconds and then slows to a stop in 12.0 second with a constant angular acceleration. What is the magnitude of the (total) acceleration of a point 4.00 cm from the center at the time 10.0 seconds from the start?

• A) 0.65 m/s²
• B) 1.00 m/s²
• C) 1.25 m/s²
• D) 1.37 m/s²
• E) 1.86 m/s²

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Definitions:

Conditioning

A process of behavior modification by which a subject comes to respond in a desired manner to a previously neutral stimulus that has been repeatedly presented along with an unconditioned stimulus that elicits the desired response.

Erroneous Grammar

Refers to grammar that contains mistakes or does not follow the rules of syntax and structure in a particular language.

Preschool Child

A child who is typically between the ages of three and five years old, before the commencement of formal education.

Middle-Class

A social group between the upper and working classes, including professionals, businesspeople, and others, often characterized by moderate to high income and educational attainment.