An Ice Skater Has a Moment of Inertia of 5

question 20

Multiple Choice

An ice skater has a moment of inertia of 5.0 kg ∙ m² when her arms are outstretched,and at this time she is spinning at 3.0 rev/s.If she pulls in her arms and decreases her moment of inertia to 2.0 kg ∙ m²,how fast will she be spinning?

• A)2.0 rev/s
• B)3.3 rev/s
• C)7.5 rev/s
• D)10 rev/s

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Definitions:

Serotonin Transporter Promoter Gene

A gene that influences the reuptake of serotonin in the brain, affecting mood and behavior and linked to various psychiatric conditions.

5-HTTLPR

A genetic variation in the serotonin transporter gene linked to the regulation of emotional states and stress response.

High-SES Communities

Communities characterized by high socio-economic status, often with greater access to resources, education, healthcare, and opportunities for economic and social advancement.

Completed Suicide

The term used to describe a suicide attempt that has resulted in death.