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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Employees who are employed by government agencies at either the federal or state level.

AFL-CIO

The American Federation of Labor and Congress of Industrial Organizations, a national trade union center and the largest federation of unions in the United States.

American Federation of Labor and Congress of Industrial Organizations

The American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) is a national trade union center, the largest federation of unions in the United States, representing more than 12 million workers across various sectors.

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Labor organizations that represent workers from various industries at a national level, advocating for worker's rights, wages, and working conditions.