An Eclipsing Binary Has Been Analyzed and It Has Been

question 102

Multiple Choice

An eclipsing binary has been analyzed and it has been determined that the ratio of the mass of star A to the mass of star B is 6 and the total mass of the two stars is 26 solar masses. What are the masses of star A and star B

• A)Star A has a mass of 1 solar mass and star B has a mass of 6 solar masses.
• B)Star A has a mass of 20 solar mass and star B has a mass of 6 solar masses.
• C)Star A has a mass of 31.2 solar mass and star B has a mass of 5.2 solar masses.
• D)Star A has a mass of 22.3 solar mass and star B has a mass of 3.7 solar masses.
• E)The masses of star A and star B cannot be determined from the information given.

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Definitions:

Customizing

Modifying or personalizing a product or service according to specific requirements or preferences.

Predetermined Overhead Rate

Predetermined overhead rate is calculated by dividing the estimated manufacturing overhead costs by an allocation base, used to apply overhead costs to products.

Machine-Hours

A measure of production time based on the number of hours a machine is operated.

Direct Labor-Hours

Summation of hours by employees directly contributing to manufacturing efforts.