The Elevation Angle Between the Northern Horizon of a Fixed

question 263

Multiple Choice

The elevation angle between the northern horizon of a fixed observer and the north celestial pole is

• A) equal to the right ascension of the vernal equinox.
• B) equal to the observer's longitude.
• C) a variable value, depending on the time of year.
• D) equal to the observer's latitude.

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Definitions:

Marginal Cost

An alternative phrasing expressing the additional cost incurred from the production of the next unit of output.

Average Total Cost

The cost per unit is calculated by dividing the overall production cost by the quantity of units produced.

Average Variable Cost

The total variable cost divided by the quantity of output produced; it shows the variable cost per unit of output.

Increasing Returns to Scale

A situation in production where doubling the inputs results in more than doubling the output, leading to efficiencies and economies of scale.