Two Ideal Carnot Heat Engines Have the Same Efficiency $5.0 \times 10 ^ { 2 } \mathrm {~K}$

question 35

Multiple Choice

Two ideal Carnot heat engines have the same efficiency. One operates between $5.0 \times 10 ^ { 2 } \mathrm {~K}$ and $3.0$ $\times 10 ^ { 2 } \mathrm {~K}$ , and the other between $4.0 \times 10 ^ { 2 } \mathrm {~K}$ and some lower temperature. What is the lower temperature?

• A) \(280 \mathrm {~K}\)
• B) \(240 \mathrm {~K}\)
• C) \(200 \mathrm {~K}\)
• D) \(220 \mathrm {~K}\)
• E) \(260 \mathrm {~K}\)

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Definitions:

Idealized Indian

A stereotypical and romanticized portrayal of Native American people, often ignoring the complexities and realities of their cultures and histories.

Modern Racism

A form of prejudice that is subtler than overt racism, often manifesting through bias and discriminatory practices embedded in social, political, and economic systems.

Covert Racism

Covert racism involves discriminatory practices and attitudes that are hidden or subtle rather than openly acknowledged or displayed.

Subtle Stereotypes

Indirect or less obvious generalizations about a group of people that can influence perceptions and behavior unconsciously.