A Refrigerator Has a COP of 2

question 3

Short Answer

A refrigerator has a COP of 2.5. If it removes 7.7 MJ of heat in 25. minutes,
(a) what is the minimum power motor to operate the refrigerator?
(b) what is its efficiency if it were a reversible engine?

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Scarce Resources

Resources that are limited in availability and can be used in the production of goods and services.

Tradeoffs

The compromise or sacrifice of one thing in order to obtain another, often used in discussions of economic policy and individual choices.

Pollution Regulations

Laws and rules designed to control or reduce the pollution released into the environment, protecting public health and ecological balance.

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The result of efforts and policies aimed at reducing pollution and conserving natural resources to enhance the quality of the natural environment.