Which of the Following Best Describes What Would Happen If

question 97

Multiple Choice

Which of the following best describes what would happen if a 1.5-solar-mass neutron star,with a diameter of a few kilometers,were suddenly (for unexplained reasons) to appear in your home town?

• A)The entire Earth would end up as a thin layer,about 1 cm thick,over the surface of the neutron star.
• B)It would rapidly sink to the center of Earth.
• C)The combined mass of Earth and the neutron star would cause the neutron star to collapse into a black hole.
• D)It would crash into Earth,throwing vast amounts of dust into the atmosphere that,in turn,would cool Earth;this is probably what caused the extinction of the dinosaurs.

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Definitions:

Law Of Diminishing Returns

An economic principle stating that if one factor of production is increased while others remain constant, the overall marginal returns will eventually decrease.

Average Output

The total output produced divided by the number of units of input, measuring the efficiency or productivity of production.

Diminishing Marginal Returns

The principle that as an additional unit of a factor of production is added to a fixed amount of other factors, the increase in output will eventually decrease.

Variable Inputs

Refers to inputs used in production that can be adjusted in the short term to meet changes in output levels, such as labor or raw materials.