A Wheel Rotates About a Fixed Axis with a Constant

question 24

Multiple Choice

A wheel rotates about a fixed axis with a constant angular acceleration of 4.0 rad/s². The diameter of the wheel is 40 cm. What is the linear speed of a point on the rim of this wheel at an instant when that point has a total linear acceleration with a magnitude of 1.2 m/s²?

• A) 39 cm/s
• B) 42 cm/s
• C) 45 cm/s
• D) 35 cm/s
• E) 53 cm/s

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Definitions:

Temperament

An individual’s characteristic manner of thinking, behaving, or reacting, often considered as innate rather than learned.

Difficult

Possessing or posing a challenge or requiring great effort or skill to accomplish, deal with, or understand.

Slow-To-Warm-Up

A temperament style where individuals are cautious and shy in new situations but gradually become more comfortable with repeated exposure.

Older Adults

A demographic group typically defined as individuals aged 65 years and older, who may experience various health-related and cognitive changes.