What Is the Momentum of an Electron Moving at a Speed

question 61

Multiple Choice

What is the momentum of an electron moving at a speed of 0.90 c? (m_e = 0.511 MeV/c² = 9.11 $\times$ 10^-31 kg)

• A) 3.1 \(\times\) 10^-22 kg·m/s
• B) 2.5 \(\times\) 10^-22 kg·m/s
• C) 5.6 \(\times\) 10^-22 kg·m/s
• D) 4.4 \(\times\) 10^-22 kg·m/s
• E) 2.5 \(\times\) 10^-23 kg·m/s

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Definitions:

Statistically Significant

A term used to describe a result that is not likely to occur randomly, but rather is likely to be attributable to a specific cause.

Statistically Accurate

Describes data or results that are precise and reliable according to statistical analysis and principles.

Statistically Insignificant

A term used to describe results that lack enough statistical evidence to conclude that a certain effect or difference is present.

Analogue Study

An investigation or experiment that replicates real-world conditions in a controlled setting to understand behaviors or phenomena.