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

question 46

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:

H Zone

A region within the sarcomere of striated muscle fibers that becomes narrower during muscle contraction.

Cross-Bridges

The connections formed between actin and myosin filaments in muscle fibers during contraction, allowing the muscle to generate force and movement.

Muscle Fiber

An individual muscle cell, elongated and capable of contracting, that makes up skeletal muscles.

Diameters

Measurements of length through the center of a body or object from one side to the other, indicating its size in a specific direction.