What Is the Change in Internal Energy of a System

question 65

Multiple Choice

What is the change in internal energy of a system when it loses 10 kJ of energy and 5,000 J of work is done on the system?

• A) +15 kJ
• B) -10 kJ
• C) -5 kJ
• D) +5,010 J
• E) +4,990 J

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Definitions:

Minimum Selling Price

The lowest price at which a product can be sold to cover its production costs without making a loss.

Constrained Resource

A limited resource that restricts a company's ability to produce goods, deliver services, or achieve its objectives.

Profitable Use

The utilization of resources or assets in a way that generates a positive return or profit.

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Events where artisans and makers display and sell their handmade goods, often featuring a wide range of crafts.