A Uniform Disk Has a Mass of 3

question 19

Multiple Choice

A uniform disk has a mass of 3.7 kg and a radius of 0.40 m.The disk is mounted on frictionless bearings and is used as a turntable.The turntable is initially rotating at 30 rpm.A thin-walled hollow cylinder has the same mass and radius as the disk.It is released from rest,just above the turntable,and on the same vertical axis.The hollow cylinder slips on the turntable for 0.20 s until it acquires the same final angular velocity as the turntable.What is the final angular momentum of the system?

• A) 0.93 /s
• B) 1.1 /s
• C) 1.3 /s
• D) 1.6 /s
• E) 1.9 /s

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Definitions:

Freudian Concept

Refers to the theories and ideas proposed by Sigmund Freud that emphasize the influence of the unconscious mind, childhood experiences, and sexuality on personality and behavior.

Anal Stage

A phase in Freudian psychosexual development occurring from approximately 18 months to 3 years, characterized by pleasure in controlling bowel and bladder movements.

Psychosexual Development

Freud's theory suggesting human personality development occurs through stages during childhood, each characterized by sexual pleasure in parts of the body.

Freudian Theory

Freudian Theory proposes that human behavior is influenced by unconscious desires, memories, and conflicts.