A Binary Star System Is Composed of Two Stars (One $\times$

question 79

Multiple Choice

A binary star system is composed of two stars (one blue,one red) that orbit a common point: the center of mass of the system.The distances from the stars to the center of mass might be labeled r_blue and r_red.The sum of the masses of the stars is M_blue + M_red = 3.70 $\times$ 10³³ kg.If it is known that r_blue = 2/5 r_red,what is M_red?

• A) 1.06 \(\times\) 10³³ kg
• B) 2.64 \(\times\) 10³³ kg
• C) 1.48 \(\times\) 10³³ kg
• D) 2.22 \(\times\) 10³³ kg

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Definitions:

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Standard Deviation

A statistical measure of the dispersion or variability in a set of values, often used in finance to quantify the risk of an investment's return.

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The gap between the current value of incoming and outgoing cash over a given period.

Lockbox System

A service offered by banks to companies for the receipt of payment from customers, involving the collection of customers' payment checks through a special post office box.