The Electrostatic Potential Energy of the System of Point Charges

question 93

Multiple Choice

The electrostatic potential energy of the system of point charges q₁ = -1 ?C, q₂ = -2 ?C, and q₃ =-3 ?C at the corners of the equilateral triangle whose side s = 30 cm is

• A) "-1.1 J."
• B) "-0.99 J."
• C) "-0.33 J."
• D) "0.33 J."
• E) "0.11 J."

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Definitions:

Prefrontal Cortex

The part of the frontal lobes of the brain located just behind the forehead that is involved in decision making, problem-solving, and controlling behavior.

Temporal Lobes

Regions of the brain located beneath the temples, responsible for processing auditory information and involved in memory and emotion.

Short-term Memories

Memory stored for a brief period of time, usually for about 20 to 30 seconds, that holds a small amount of information before it is forgotten or transferred to long-term memory.

Retroactive Interference

The phenomenon where newly learned information interferes with the recall of information learned previously.