Water Flows at Speed V in a Pipe of Radius

question 48

Multiple Choice

Water flows at speed v in a pipe of radius r.Neglecting viscosity,at what speed does the water flow through a constriction in which the radius of the pipe is r/3?

• A)v/9
• B)v/3
• C)v
• D)3v
• E)9v

Comprehend the role of feedback mechanisms in emotion recognition and expression.

Understand the role of physiological responses in emotional experiences.

Recognize the universality of certain emotional expressions across cultures.

Identify and classify different types of pathogens and diseases.

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Definitions:

Serotonin Agonist

A type of drug that activates serotonin receptors in the brain, mimicking the effects of serotonin to increase its action in the nervous system.

Serotonin Antagonist

A type of drug that works by blocking serotonin receptors, affecting mood, appetite, and other functions.

Motor Neurons

Nerve cells that transmit impulses from the brain or spinal cord to muscles or glands, causing them to act.

Sensory Neurons

Specialized neurons responsible for converting external stimuli from the organism's environment into internal electrical impulses.