A Rotation Curve for a Galaxy Is a Plot of

question 25

Multiple Choice

A rotation curve for a galaxy is a plot of

• A)Orbital speed versus distance from center
• B)Number of rotations versus time
• C)Orbital distance versus eccentricity
• D)Amount of mass versus distance from center.

---

Definitions:

Straight-Line Depreciation

An operation for dividing the expense of a solid asset through its functional duration in even yearly sums.

Simple Rate of Return

A calculation that estimates the profitability of an investment, dividing annual incremental net operating income by the initial investment cost.

Cash Operating Costs

Expenses a business incurs through its operations that require cash payments, excluding non-cash expenses like depreciation.

Automating Process

The method of using technology to perform tasks with minimal human intervention.