An Alpha Particle (Mass = 6

question 53

Multiple Choice

An alpha particle (mass = 6.68 *10^-27 kg) is emitted from a radioactive nucleus with an energy of 6.22 MeV. How fast is the alpha particle moving in m/s? (1 MeV = 1.6 *10^-13 J)

• A) 3.70 * 10⁶ m/s
• B) 1.73 * 10⁷ m/s
• C) 1.55 *10⁷ m/s
• D) 1.85 * 10⁶ m/s

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Definitions:

Reliable

The consistency of a measure or instrument, indicating the same results are achieved under consistent conditions.

Standardized

Made consistent in form, procedure, or conditions, often for the purpose of comparison or assessment.

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Well-founded on evidence and corresponds accurately to the real world.

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The various abilities related to the process of knowing, including reasoning, memory, attention, and language.