When a Rigid Body Rotates About a Fixed Axis,all the Points

question 15

Multiple Choice

When a rigid body rotates about a fixed axis,all the points in the body have the same

• A) tangential speed.
• B) angular acceleration.
• C) tangential acceleration.
• D) linear displacement.
• E) centripetal acceleration.

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Definitions:

Confidence Interval

A band of numerical estimates, from sample data, seen as likely to include the value of an invisible population characteristic.

Sampling Distribution

The probability distribution of a given statistic based on many random samples from a specific population.

Normal Distribution

A bell-shaped curve that describes the spread of a characteristic throughout a population; it is symmetric and depicts that data near the mean are more frequent in occurrence.

Null Hypothesis

The hypothesis that there is no significant difference or effect, often denoted H0, in statistical hypothesis testing.