A Phonograph Turntable Is Made in the Shape of a Circular

question 199

Multiple Choice

A phonograph turntable is made in the shape of a circular disk of radius 6 inches with density function $p ( x , y ) = \sqrt { x ^ { 2 } + y ^ { 2 } }$ . Find the mass of the disk.

• A)60\(\pi\)
• B)96\(\pi\)
• C)108\(\pi\)
• D)120\(\pi\)
• E)144\(\pi\)
• F)180\(\pi\)
• G)192\(\pi\)
• H)240\(\pi\)

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Definitions:

Externality

A consequence of an economic activity experienced by unrelated third parties; can be either positive or negative.

Resource Dependency

A theory in organizational studies that describes how external resources dictate the behaviors and strategies of organizations.

External Constituencies

Groups or individuals outside an organization that are affected by its decisions and actions, such as customers, suppliers, and the community.

Failure Theories

A set of theories explaining the conditions under which materials or components fail due to stress, fatigue, or other factors.