The Choices Below Describe Four Hypothetical Planets

question 121

Multiple Choice

The choices below describe four hypothetical planets. Which one would you expect to have the hottest interior? (Assume the planets orbit a star just like the Sun and that they are all the same age as the planets in our solar system.)

• A) Size: twice as big as Earth. Distance from Sun: same as Mercury. Rotation rate: once every 6 months.
• B) Size: same as the Moon. Distance from Sun: same as Mars. Rotation rate: once every 10 days.
• C) Size: same as Mars. Distance from Sun: same as Earth. Rotation rate: once every 18 hours.
• D) Size: same as Venus. Distance from Sun: same as Mars. Rotation rate: once every 25 hours.

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Definitions:

Stepping-Stone Method

A mathematical approach used in linear programming to find the optimal solution for transportation problems by moving sequentially from one feasible solution to another.

Transportation Problem

An optimization challenge focused on determining the most efficient allocation of resources for transporting goods from suppliers to destinations.

Northwest-Corner Rule

A method used in transportation and logistics to find an initial feasible solution for transporting goods from suppliers to consumers, starting at the northwest corner of a matrix.

Feasible Solution

A potential solution to a problem that meets all the given constraints and requirements.