If the Uncertainty in the Position of a Proton Is $0.053 \mathrm {~nm}$

question 1

Multiple Choice

If the uncertainty in the position of a proton is $0.053 \mathrm {~nm}$ , what is the uncertainty in its speed? ( $h =$ $6.626 \times 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s } , m _ { \text {proton } } = 1.67 \times 10 ^ { - 27 } \mathrm {~kg}$ )

• A) \(0.60 \mathrm {~km} / \mathrm { s }\)
• B) \(2.2 \mathrm {~m} / \mathrm { s }\)
• C) \(1.2 \mathrm {~km} / \mathrm { s }\)
• D) \(0.98 \mathrm {~km} / \mathrm { s }\)
• E) \(37 \mathrm {~m} / \mathrm { s }\)

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Definitions:

Sympathetic Activation

The part of the nervous system that increases alertness, mobilizes energy, and prepares the body for action.

Parasympathetic Activation

The engagement of the parasympathetic nervous system, leading to physiological states associated with rest and digestion.

Introspective Data

Information derived from personal observation of one's own thoughts, emotions, or sensations.

Internal Phenomena

Internal phenomena pertain to experiences or processes occurring within an individual's mind or body, often not observable by others.