Identical 8

question 58

Multiple Choice

Identical 8.0-μC point charges are positioned on the x axis at x = ±1.0 m and released from rest simultaneously. What is the kinetic energy of either of the charges after it has moved 2.0 m?

• A) 84 mJ
• B) 54 mJ
• C) 96 mJ
• D) 63 mJ
• E) 48 mJ

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Definitions:

Specialize

Focusing one’s efforts in a specific domain or area of expertise, often to increase efficiency and skill.

Greater Quantity

A higher amount or number of something, usually used in reference to the production or supply of goods.

Comparative Advantage

A principle stating that if a country produces a good at a lower opportunity cost than another, it has a comparative advantage.

Opportunity Costs

The expense incurred from not selecting the subsequent preferable choice when a decision is made.