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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Quizplus · Accepted Answer

The average density is calculated using the formula: density = mass/volume. The volume of a sphere is (4/3)πr³. Substituting the given mass and radius, the density is approximately 1.41 × 10−3 kg/m³.

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