A CD with a Diameter of 12

question 20

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 radial acceleration of a point 4.0 cm from the center at the time 15.0 seconds from the start?

• A) 0.5 m/s²
• B) 1.0 m/s²
• C) 1.8 m/s²
• D) 2.0 m/s²
• E) 2.6 m/s²

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Definitions:

Adventitious Sounds

Abnormal sounds heard during respiration, such as wheezes or crackles, which can indicate respiratory conditions or diseases.

Musculoskeletal Assessment

A clinical evaluation aimed at examining the structure and function of the musculoskeletal system including bones, muscles, and joints.

Cervical Range of Motion

The degree of movement possible at the neck region, affecting head and neck flexibility.

Carotid Bruits

Abnormal sounds heard over the carotid arteries with a stethoscope, indicating turbulent blood flow, often due to atherosclerosis.