A CD with a Diameter of 12

question 22

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 acceleration. What is the linear speed of a point 4.0 cm from the center at the time 25.0 seconds from the start?

• A) 0.10 m/s
• B) 0.017 m/s
• C) 0.083 m/s
• D) 0.00 m/s
• E) 0.12 m/s

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Definitions:

Terminally Ill

A condition in which a patient is suffering from a disease that is incurable and expected to lead to death within a short period.

Therapeutic Response

The change or improvement in condition following treatment, indicating the effectiveness of a medical intervention.

Heart Failure

A chronic condition where the heart's ability to pump blood is inadequate to meet the body's needs, leading to symptoms like shortness of breath and fatigue.

Therapeutic Action

The specific process by which a treatment or medication exerts its beneficial effect on the body or mind.