Math Problem Statement
在一个半径为 � R 的球体 � V 内,有一个密度函数为 � ( =⋅ρ(r)=k⋅r 的质量分布,其中 k 是常数,r 是从球心到球内任意一点的距离。求球体 V 内的质量。
Solution
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Math Problem Analysis
Mathematical Concepts
Integral Calculus
Volume Calculation
Spherical Coordinates
Formulas
Volume element in spherical coordinates
Integral of spherical coordinates
Theorems
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Suitable Grade Level
Advanced Undergraduate
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