A Solid Metal Sphere Is 15

question 36

Short Answer

A solid metal sphere is 15.0 cm in diameter and has surface of uniform color.When its surface is at 112°C,you measure that it radiates energy at a rate of 71.3 W.What is the emissivity of the surface of this object? Any heat that enters the sphere from the outside environment is negligible.The Stefan-Boltzmann constant is

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Definitions:

Humans

The species Homo sapiens, characterized by bipedalism, high manual dexterity, and advanced cognitive abilities leading to the development of complex tools and society.

Cellulose

A complex carbohydrate that forms the primary structural component of plant cell walls.

Abnormally Folded

Refers to proteins that have not achieved their proper three-dimensional structure, often leading to diseases.

Prions

Misfolded proteins that can induce normal proteins to also misfold, leading to diseases in the nervous system.