A Certain Planet Has an Escape Speed V

question 33

Multiple Choice

A certain planet has an escape speed V. If another planet of the same size has twice the mass as the first planet, its escape speed will be

• A) 2V.
• B) V.
• C) V.
• D) V/2.
• E) V/ .

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Definitions:

Substitution

The economic principle describing how consumers or producers replace one good or service with another in response to changes in price or other factors.

Substitution Effect

The substitution effect describes a change in consumption patterns due to shifts in relative prices, where consumers prefer cheaper alternatives when the price of a good rises, keeping their utility level constant.

Inferior Good

A type of good for which demand decreases as the income of the consumer increases, in contrast to a normal good.

Indifference Curves

A graph showing different bundles of goods between which a consumer is indifferent.