An Engine Delivers 40

question 3

Multiple Choice

An engine delivers 40.0 J of work while it takes in energy from a 400 K thermal source. If the engine discharges energy into a thermal reservoir at 200 K, then what is the least amount of heat needed to run the engine?

• A) 55.0 J
• B) 65.0 J
• C) 80.0 J
• D) 110 J

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Definitions:

Competent

Describes an individual or entity that is sufficiently skilled, knowledgeable, and capable of performing a specified task or role effectively.

Commitment

A state of being dedicated to a cause, activity, or goal, demonstrating a willingness to give one's time and energy.

Low In Competence

Refers to individuals or entities that have insufficient skills, knowledge, or abilities in a specific area or discipline.

High In Commitment

Describes a state or condition where an individual demonstrates strong dedication and loyalty towards an entity, goal, or relationship.