According to Their Rotation Curves, Most Spiral Galaxies

question 42

Multiple Choice

According to their rotation curves, most spiral galaxies:

• A)rotate as a solid body.
• B)rotate counterclockwise.
• C)have decreasing rotational speeds with increasing distance.
• D)contain dark matter.
• E)contain dark energy.

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Definitions:

Net Present Value

A method used in capital budgeting to evaluate the profitability of an investment or project, reflecting the present value of all future cash flows minus initial investments.

Internal Rate

Often synonymous with "Internal Rate of Return," referring to the discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.

Capital Expenditure

Capital deployed by a corporation to buy, improve, and upkeep tangible assets like land, factories, or machinery.

NPV

Net Present Value, a calculation used to determine the present value of a series of future cash flows minus the initial investment, utilized in capital budgeting to assess the profitability of an investment.