Ekapluto Is an Unknown Planet That Has Two Spherical Moons

question 22

Multiple Choice

Ekapluto is an unknown planet that has two spherical moons in circular orbits. The table summarizes the hypothetical data about the moons. Both moons have low axial spin rates. (G = 6.67 × 10^-11 N ∙ m²/kg²) The acceleration due to gravity at the surface of Moon B is

• A) 0.10 m/s².
• B) 0.15 m/s².
• C) 0.20 m/s².
• D) 0.25 m/s².
• E) 0.30 m/s².

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Definitions:

Average Fixed Cost

Fixed cost divided by output.

Variable Costs

Expenses that change in proportion to the activity of a business.

Fixed Costs

Expenses that do not change with the level of output or sales in the short term.

Marginal Cost Curve

Graphical representation showing how the cost to produce one more unit changes as production increases, typically U-shaped due to economies and diseconomies of scale.