Three Solid, Uniform, Cylindrical Flywheels, Each of Mass 65

question 10

Multiple Choice

Three solid, uniform, cylindrical flywheels, each of mass 65.0 kg and radius 1.47 m rotate independently around a common axis. Two of the flywheels rotate in one direction at 3.83 rad/s; the other rotates in the opposite direction at 3.42 rad/s. Calculate the magnitude of the net angular momentum of the system.

• A) 298 kg∙m²/s
• B) 778 kg∙m²/s
• C) 257 kg∙m²/s
• D) 222 kg∙m²/s

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Definitions:

Emotional Responses

The physiological and psychological reactions to stimuli that affect one's feelings and mood.

Interthalamic Adhesion

Interthalamic adhesion is a small, midline mass of gray matter connecting the two thalamic bodies in the brain, involved in the integration of sensory and motor information.

Thalamus

A part of the brain located above the brainstem that acts as a relay station, directing sensory and motor signals to the cerebral cortex, and plays a role in the regulation of consciousness, sleep, and alertness.

Epithalamus

is a dorsal posterior segment of the diencephalon of the brain, important in the secretion of melatonin by the pineal gland and in sleep regulation.