An Air-Conditioning System Is Designed to Fill a Room of 10

question 42

Multiple Choice

An air-conditioning system is designed to fill a room of 10 m $\times$ 8 m $\times$ 6 m with fresh air every 20 minutes.If the circular air duct has a diameter of 13 cm,calculate the speed of airflow in the duct.

• A)None of the answers below
• B)450 m/s
• C)2.4 m/s
• D)7.5 m/s
• E)1.0 m/s

---

Definitions:

Marijuana Use

Refers to the consumption of cannabis, either for medical purposes or recreational activities, influencing mood, perception, and behavior.

Academic Performance

The level of achievement or proficiency in educational pursuits, often measured by grades or test scores.

Pioneering Women

Women who were the first to undertake or accomplish something in their field or society, breaking barriers and setting examples for future generations.

Minority Psychologists

Psychologists who belong to a racial, ethnic, or cultural minority group, and who may focus on issues relevant to the psychology of minority populations.