A Brass Rod with a Length of 10

question 61

Multiple Choice

A brass rod with a length of 10.0 cm is placed end to end with an aluminum rod with a length of 30.0 cm, and this system is placed between a hot temperature of 100 °C and a cold temperature of 10.0 °C. The thermal conductivities of the brass and the aluminum are 100 W/m °C and 230 W/m °C, respectively. The rods have the same cross-sectional area of 20.0 cm². What is the heat flow from the hot temperature to the cold temperature?

• A) 55.3 W
• B) 65.3 W
• C) 70.3 W
• D) 78.1 W
• E) 85.3 W

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Definitions:

Linguistic Domination

The power dynamics where certain languages or dialects are prioritized over others, affecting societal engagement and opportunity.

Powerful Group

A social or organizational entity with significant influence, resources, or authority over others or within societal structures.

Coercive Control

A pattern of behaviors used to intimidate, exploit, isolate, and control another person.

Conflict Theory

A social theory that views society as an arena of inequality that generates conflict and social change, emphasizing a materialist view of society, critical of the status quo.