A CD with a Diameter of 12

question 33

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 2.00 seconds from the start?

• A) 0.450 m/s²
• B) 0.314 m/s²
• C) 0.215 m/s²
• D) 0.165 m/s²
• E) 0.100 m/s²

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Definitions:

Experiencing Avoidance

A behavior pattern where individuals deliberately avoid situations, people, or activities that are reminders of distressing experiences or emotions.

Posttraumatic Stress Disorder

A mental health condition triggered by experiencing or witnessing a traumatic event, characterized by severe anxiety, flashbacks, and nightmares.

Increased Arousal

An increased level of awareness and physical preparedness for action, frequently linked to stress or anxiety.

Reduced Responsiveness

A decrease in the usual reaction to external stimuli, often seen in various neurological or psychological conditions.