Find the Average Density of a White Dwarf Star If

question 60

Multiple Choice

Find the average density of a white dwarf star if it has a mass equal to that of the sun (2.0 * 10³⁰ kg) and a radius equal to that of the Earth (6.4*10⁶ m) .

• A)9.0 * 10⁶ kg/m³
• B)1.8* 10⁷ kg/m³
• C)1.8 * 10⁹ kg/m³
• D)3.6 * 10¹⁰ kg/m³
• E)9.0 *10⁷ kg/m³

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Definitions:

Cross-sectional Study

A type of observational study that analyzes data from a population, or a representative subset, at a specific point in time.

Cohort Effects

Differences observed in a study that are due to the characteristics of the group of participants, not the effect of the experiment itself.

Developmental Age

A measure of a child's growth or maturity level, which may differ from their chronological age.

Cross-sectional

A type of study or analysis that examines data collected at a single point in time from participants who vary in age, experience, or other factors.