A 015-M-Radius Grinding Wheel Starts at Rest and Develops an Angular

question 81

Multiple Choice

A 0.15-m-radius grinding wheel starts at rest and develops an angular speed of 12.0 rad/s in 4.0 s.What is the average tangential acceleration of a point on the wheel's edge?

• A) 0.45 m/s²
• B) 6.8 m/s²
• C) 28 m/s²
• D) 14 m/s²

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Definitions:

Prospective Memory

Memory to perform an act in the future, as at a certain time or when a certain event occurs.

Declarative Nature

The quality of being explicit or clear in expression, often used in the context of statements or propositions that convey information straightforwardly.

Hippocampus

A major component of the brain that plays critical roles in the consolidation of information from short-term memory to long-term memory and spatial memory.

Hypothalamus

A small region at the base of the brain responsible for hormone production and regulation of important bodily functions like temperature and hunger.