A Pipe of Diameter Four Cm Is Replaced by One

question 19

Multiple Choice

A pipe of diameter four cm is replaced by one of the same length but of diameter twelve cm.If the pressure difference between the ends of the pipe remains the same,by what factor is the rate of flow of a viscous liquid through it changed?
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• A) 3
• B) 9
• C) 27
• D) 81
• E) ​243

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Definitions:

Criminals

Persons who engage in activities that breach legal codes and are thus subject to judicial indictment and punishment; this definition reiterates their adversarial role against societal norms and laws.

Prison

An institution for the confinement and rehabilitation of individuals who have been convicted of crimes.

Social Constructionism

Social constructionism is a theory in sociology and psychology that suggests knowledge, reality, and meaning are constructed through social interactions and cultural norms.

Crime

Activities that are against the law and punishable by the state or other authority.