A Uniform 2

question 44

Multiple Choice

A uniform 2.00-kg circular disk of radius 20.0 cm is rotating clockwise about an axis through its center with an angular speed 30.0 revolutions per second. A second uniform 1.50-kg circular disk of radius 15.0 cm that is not rotating is dropped onto the first disk so that the axis of rotation of the first disk passes through the center of the second disk. What is the final angular speed of the two disks when they are rotating together?

• A)16.9 revolutions per second
• B)19.2 revolutions per second
• C)21.1 revolutions per second
• D)17.1 revolutions per second
• E)12.7 revolutions per second

---

Definitions:

Contingency Table

A table used in statistics to show the frequency distribution of variables, and analyze the relationship between categorical variables.

Qualitative Variables

Variables that categorize or describe attributes or properties of objects, individuals, or conditions, without using numerical values.

Contingency Table

A table used in statistics to display the frequency distribution of variables, helping in analyzing the relationship between different categorical variables.

Frequency of Occurrence

The rate at which a particular event or outcome happens within a specific interval of time or within a given data set.