The Mass Enclosed in Any Orbit Can Be Estimated from the Equation

question 106

Multiple Choice

The mass enclosed in any orbit can be estimated from the equation M(<r) = v2r/ G. If the quantity (v2r) is constant, regardless of radius, where is the mass located?

• A)The mass is distributed like a doughnut, with a hole in the center.
• B)The mass is spread out over large radius.
• C)The mass is concentrated in the center.
• D)Cannot be determined from the information given.

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Definitions:

Johnson's Rule

A sequencing rule for minimizing the total processing time and setup time on two machines or processes.

Optimal Sequence

The best or most efficient order in which to perform a series of tasks or operations, usually determined based on criteria like minimizing time or maximizing output.

Makespan

The total amount of time required to complete a set of tasks or jobs from start to finish.

Idle Time

Periods when resources, such as machinery or labor, are available but not in use due to lack of work, setup, or maintenance.