Find the Average Density of a Red Giant Star with a Mass

question 43

Multiple Choice

Find the average density of a red giant star with a mass of 20 × 10³⁰ kg (approximately 10 solar masses) and a radius of 150 × 10⁹ m (equal to the Earth's distance from the Sun) .

• A)1.41 × 10⁻⁴ kg/m³
• B)0.007 kg/m³
• C)1.41 kg/m³
• D)710 kg/m³
• E)1.41 × 10⁻³ kg/m³

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Definitions:

Populations

Groups of individuals belonging to the same species that live in a shared region and are capable of interbreeding.

Correlations

A measure indicating the relationship between two variables, showing whether and how strongly they are related.

Causality

The principle or relationship between cause and effect where one event (the cause) leads to the outcome of another event (the effect).

Psychoanalysis

A therapeutic approach and theory of psychology developed by Sigmund Freud that aims to treat mental disorders by investigating the interaction of conscious and unconscious elements in the mind.