FIGURE 11-2 -A Figure Skater Is Spinning Slowly with Arms Outstretched. She

question 32

Multiple Choice

FIGURE 11-2
-A figure skater is spinning slowly with arms outstretched. She brings her arms in close to her body and her moment of inertia decreases by 1/2. Her angular speed increases by a factor of

• A) 2.
• B) 4.
• C) .
• D) 1
• E) 1/2.

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Definitions:

Hemispherectomy

A surgical procedure involving the removal or disabling of one cerebral hemisphere, usually to treat severe epilepsy.

Muscle Contractions

Muscle contractions refer to the tightening or shortening of muscles, which results in movement or maintenance of posture.

ACh

Short for Acetylcholine, a neurotransmitter in the body involved in many functions including muscle movement and memory.

Dopamine

A neurotransmitter in the brain associated with pleasure, movement, and the reward system.