An Electron Is Released from Rest at a Distance of 9.00

question 23

Multiple Choice

An electron is released from rest at a distance of 9.00 cm from a proton. If the proton is held in place, how fast will the electron be moving when it is 3.00 cm from the proton? (mel = 9.11 x 10^-31 kg, e = 1.60 × 10^-19 C, k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A) 75.0 m/s
• B) 106 m/s
• C) 130 m/s
• D) 1.06 × 10³ m/s
• E) 4.64 × 10⁵ m/s

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Definitions:

"g" Factor

A construct used in the field of psychology to denote the underlying general intelligence factor that contributes to performance on various cognitive tasks.

Intellectual Tasks

Activities that require mental effort, cognition, and processing, such as problem-solving and abstract thinking.

Crystallized Intelligence

This refers to the accumulation of knowledge, facts, and skills that one acquires through education and experience.

Fluid Intelligence

The aspect of intelligence involving the ability to reason abstractly, think logically, and solve problems in novel situations, independent of acquired knowledge.