A Wheel Initially Has an Angular Velocity of 18 Rad/s

question 3

Multiple Choice

A wheel initially has an angular velocity of 18 rad/s.It has a constant angular acceleration of 2.0 rad/s² and is slowing at first.What time elapses before its angular velocity is18 rad/s in the direction opposite to its initial angular velocity?

• A)3.0 s
• B)6.0 s
• C)9.0 s
• D)18 s
• E)36 s

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Definitions:

Hypothalamus

A region of the brain that controls various autonomic functions, including temperature regulation, hunger, thirst, and the release of hormones.

Stomach

The stomach is a muscular organ located in the upper abdomen that receives food from the esophagus, producing gastric acid and digestive enzymes to aid in food digestion.

Orexin

A type of neurotransmitter that plays an important role in regulating wakefulness, appetite, and arousal.

Digestive Track Hormone

Hormones produced by the gastrointestinal tract that regulate various aspects of digestion, including enzyme secretion and gut motility.