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? ( h = 1.055 × 10^-34 J • s,m_el = 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

---

Definitions:

Heuristics

Mental shortcuts or rules of thumb that simplify decision-making processes, often used when facing complex problems.

Hedonic Treadmill

The hedonic treadmill is a theory suggesting that people consistently return to a relatively stable level of happiness despite major positive or negative events or life changes.

Richard Easterlin

An economist known for the Easterlin Paradox, which posits that there is not a direct, long-term correlation between a country's economic development and its citizens' happiness.

Myopia

A condition of the eyes where close objects appear clearly, but distant ones don't.