A Wheel Is Rotating at 30 Rev/min

question 127

Multiple Choice

A wheel is rotating at 30 rev/min. The angular velocity of the wheel is

• A) 2π² rad/s.
• B) 2π rad/s.
• C) 2 rad/s.
• D) π/2 rad/s.
• E) π rad/s.

---

Definitions:

Acquisition Of English

The process through which a person learns and becomes proficient in the English language, often through formal education or immersion.

U.S.-Born Infants

Infants born in the United States, regardless of the nationality of their parents.

Chinese Adoptees

Children of Chinese descent who have been adopted by individuals or families of a different ethnicity or nationality.

Meaningful Combinations

The process of putting together individual units of meaning (such as words) in a way that they convey a specific, coherent message or concept.