A Measurement of an Electron's Speed Is 2

question 10

Multiple Choice

A measurement of an electron's speed is 2.0 × 10⁶ m/s and has an uncertainty of 10%. What is the minimum uncertainty in its position? ( = 1.055 × 10^-34 J ∙ s, ^mel = 9.11 × 10^-31 kg)

• A) 0.15 nm
• B) 0.29 nm
• C) 0.44 nm
• D) 0.60 nm
• E) 0.80 nm

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Definitions:

Rollback Technique

A method used in recovery and error-checking that involves reverting a system or process to a previous safe state.

Decision Tree

A graphical representation used in decision analysis to visually and explicitly represent decisions and decision making.

Revised Probability

An updated chance or likelihood of an event occurring after taking into consideration new evidence or information.

Prior Probability

The probability of an event or hypothesis before new evidence or data is taken into account.