The Figure Below Shows the Rotation Curve of a Galaxy

question 37

Multiple Choice

The figure below shows the rotation curve of a galaxy.How does the mass enclosed within a given distance from the galaxy's center vary?

• A) The mass is concentrated near the center.
• B) The enclosed mass increases linearly with distance.
• C) The enclosed mass increases with the square of distance.
• D) The enclosed mass increases like the square root of distance.

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Definitions:

New Social Movements

Collective actions or movements that emerged in the second half of the 20th century, characterized by their focus on social and cultural issues, personal identity, and quality of life, differentiating them from traditional social movements.

Contagion Theory

A theory suggesting that ideas, attitudes, and behaviors can spread through populations in a manner akin to infectious diseases.

Inherent Irrationality

The concept that irrationality is an intrinsic, unavoidable part of human nature or behavior, often impacting decision-making processes.

Crowd Behaviour

The patterns or ways in which individuals act or respond collectively in a large group, influenced by group dynamics and social identity.