A Wheel with a 0

question 11

Multiple Choice

A wheel with a 0.10-m radius is rotating at 35 rev/s. It then slows uniformly to 15 rev/s over a 3.0-s interval. What is the angular acceleration of a point on the wheel?

• A)-2.0 rev/s²
• B)0.67 rev/s²
• C)-6.7 rev/s²
• D)42 rev/s²
• E)-17 rev/s²

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Definitions:

Error Of Measurement

The difference between a measured value and the true value due to limitations in measurement accuracy or technique.

Reliability

The extent to which a testing device delivers uniform and steady outcomes over time.

Correlation Coefficient

A statistical measure that indicates the extent to which two or more variables fluctuate together, ranging from -1 to 1.

Practicality

The degree to which something is realistic, feasible, or can be practically applied or implemented.