A Proton Is Accelerated from Rest Through a Potential Difference $\sqrt { 2 }$

question 24

Multiple Choice

A proton is accelerated from rest through a potential difference V₀ and gains a speed v₀. If it were accelerated instead through a potential difference of 2V₀, what speed would it gain?

• A) 8v₀
• B) 4v₀
• C) 2v₀
• D) v₀
• \(\sqrt { 2 }\)

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Definitions:

Aerobic Respiration

A metabolic process that uses oxygen to convert glucose or other organic molecules into energy (ATP), carbon dioxide, and water.

Electrons

Negatively charged subatomic particles orbiting the nucleus of an atom.

Citric Acid Cycle

A key metabolic pathway that takes place in the mitochondria, involving the oxidation of acetyl-CoA to carbon dioxide and ATP production, also known as the Krebs cycle.

Glucose

A basic form of sugar that serves as a crucial energy source for living beings and is a constituent of numerous carbohydrates.