A 15-G Paper Clip Is Attached to the Rim of a Phonograph

question 47

Multiple Choice

A 15-g paper clip is attached to the rim of a phonograph record with a diameter of 30 cm, spinning at 3.5 rad/s.The magnitude of its angular momentum is:

• A)1.2 x 10^-3 kg.m²/s
• B)4.7 x 10^-3 kg.m²/s
• C)7.9 x 10^-3 kg.m²/s
• D)1.6 x 10^-2 kg.m²/s
• E)1.2 kg.m²/s

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Definitions:

Infancy

Infancy is the early stage of a child's life, starting from birth up to 2 years, characterized by rapid physical growth and cognitive development.

Days After Birth

The period immediately following the birth of an organism, often used as a critical window for development studies, health assessments, and early bonding behaviors.

Fetal Period

The time from about 8 weeks after conception until the birth of the baby.

Major Organs

Refers to essential organs in a body system that have vital roles, such as the heart, lungs, liver, brain, and kidneys, crucial for maintaining life and health.