Water Is Flowing in a Horizontal Pipe of Diameter D

question 31

Multiple Choice

Water is flowing in a horizontal pipe of diameter d.If you want to change the diameter of this pipe so that the speed of the water would be half as great as it was,what should be the new diameter?

• A)d/4
• B)d/2
• C)d /
• D)d
• E)2d

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Definitions:

Time Urgency

The feeling of being constantly under pressure to accomplish tasks in a limited timeframe.

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders, such as bacteria and viruses.

White Blood Cells

Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Lymphocytes

A type of white blood cell that plays a crucial role in the immune system, responsible for fighting off infections and diseases.