The Total Mass of a Binary System Can Be Calculated

question 37

Multiple Choice

The total mass of a binary system can be calculated from

• A)the ratio of the angular separation from the center of mass of each of the stars.
• B)the distance to the binary and its radial velocity.
• C)the semimajor axis and period of the orbit.
• D)the radial velocities of the two stars.
• E)the time required for the smaller star to eclipse the larger star.

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Definitions:

Collective Bargaining Agreements

Legal contracts between employers and a group of employees aimed at establishing wages, working conditions, benefits, and other aspects of workers' compensation and rights for a specified period.

Fringe Benefits

Additional benefits supplementing an employee's salary, such as health insurance, pensions, and paid vacations.

Wagner Act

Also known as the National Labor Relations Act of 1935, it is a foundational statute of US labor law which guarantees basic rights of private sector employees to organize into trade unions, engage in collective bargaining, and take collective action such as strikes.

Taft-Hartley Act

A 1947 federal law that restricted the activities and power of labor unions in the United States.