A 020-M Radius Grinding Wheel Starts at Rest and Develops an an Angular

question 59

Multiple Choice

A 0.20-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) 0.60 m/s²
• C) 28 m/s²
• D) 14 m/s²

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Definitions:

Adult

A person who has reached the age of majority as legally defined, typically characterized by physical growth completion, sexual maturity, and legal responsibility for their actions.

Hypernatremia

A medical condition characterized by an abnormally high concentration of sodium in the blood.

Serum Sodium

The concentration of sodium ions present in the serum component of blood, important for maintaining fluid balance and nerve and muscle function.

Diastolic Blood Pressure

The pressure in the arteries when the heart rests between beats, indicating the minimum blood pressure.