A Wheel Rotates About a Fixed Axis with a Constant

question 11

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

---

Definitions:

Light-sensitive

The characteristic of being responsive or sensitive to light, often referring to materials or biological entities that change in presence of light.

Receptor Cells

Specialized cells that convert external stimuli into electrical signals for the nervous system to process.

Opponent-process Theory

Opponent-process theory is a psychological and neurological model that describes how the perception of one stimulus (color, emotion, pain) is dependent on the opposite function of its pair.

Ewald Hering

A 19th-century German physiologist who proposed the opponent-process theory of color vision.