Find the Mass of a Solid Ball of Radius 2 $\frac { 3 } { 1 + \sqrt { x ^ { 2 } + y ^ { 2 } + z ^ { 2 } } }$

question 160

Short Answer

Find the mass of a solid ball of radius 2 if the density at each point (x, y, z) is $\frac { 3 } { 1 + \sqrt { x ^ { 2 } + y ^ { 2 } + z ^ { 2 } } }$ .

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Definitions:

Internal Consistency

Internal consistency measures the reliability of a test based on the correlations between different items on the same test.

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A law that allows for the full or partial disclosure of previously unreleased information and documents controlled by the United States government.

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Documents created or received by a government agency that are preserved as evidence of the organization, functions, policies, decisions, procedures, operations, or other activities.

Coefficient Alpha

A reliability coefficient that measures the internal consistency of a test or scale; it is commonly used in psychometrics.