In Their Common Rest Frame, Two Stars Are 90

question 7

Multiple Choice

In their common rest frame, two stars are 90.0 light-years (ly) apart. If they are 12.0 ly apart as measured by the navigator in a spaceship traveling between them, how fast is the spaceship moving? Express your answer in terms of c.

• A) 0.991c
• B) 0.986c
• C) 0.980c
• D) 0.972c

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Definitions:

Out-Group Member

An individual who is not considered part of the dominant group within a specific context, often leading to a sense of exclusion or marginalization.

Serious Transgression

A significant violation or breach of rules, ethics, or standards, often resulting in disciplinary action.

In-Group Leaders

Leaders who are perceived as being part of the inner circle or belonging to a preferred group within an organization or community, often enjoying more trust and influence.

Team Members

Team Members are individuals who are part of a group working together towards a common goal, sharing responsibilities and contributions.