A Refrigerator Has a Coefficient of Performance Equal to 4

question 42

Multiple Choice

A refrigerator has a coefficient of performance equal to 4.2.How much work must be done on the refrigerator in order to remove 250 J of heat from the interior?

• A) 60 J
• B) 120 J
• C) 250 J
• D) 480 J
• E) 1050 J

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Definitions:

Self-Negativism

A tendency towards self-depreciation or adopting a negative view of oneself, often associated with depressive symptoms.

Self-Regulation

The ability to manage and control one's own emotions, thoughts, and behaviors in accordance with situational demands.

Negativism

denotes a pervasive pattern of negative attitudes, feelings of helplessness and pessimism, or a general opposition to suggestions or advice.

Interactional Synchrony

Describes the coordinated and rhythmic interaction between caregiver and child, facilitating bonding and communication.