Two Stars Are at Rest Relative to Each Other $\text { 26.4 light-years. }$

question 22

Multiple Choice

Two stars are at rest relative to each other.A spaceship is moving between these two stars at 0.932c relative to each star.To someone in the ship,the distance between the two stars appears to be $\text { 26.4 light-years. }$ What is the distance between the stars in their own rest frame?

• A)72.8 light-years
• B)9.57 light-years
• C)21.1 light-years
• D)55.4 light-years

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Definitions:

Epidemiological Studies

Epidemiological studies are research investigations that examine the patterns, causes, and effects of health and disease conditions in defined populations.

Incidence

The occurrence, rate, or frequency of a disease, crime, or something undesirable within a specified population or area.

Prevalence

The proportion of individuals in a population who have a particular disease or condition at a specific time.

Risk Factors

Elements or conditions that increase the likelihood of developing a disease or injury, including genetic, environmental, and lifestyle factors.