An Electron of Mass 9

question 36

Multiple Choice

An electron of mass 9.11 × 10−³¹ kg moves with a speed of 0.800c.What is its total energy? (c = 3.00 × 10⁸ m/s)

• A) 13.7 × 10−¹⁴ J
• B) 10.2 × 10−¹⁴ J
• C) 4.80 × 10−¹⁴ J
• D) 7.30 × 10−¹⁴ J

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Definitions:

Composed

Being calm and in a state of self-control; or, alternatively, having been created or put together in a thoughtful manner.

Several Sittings

Referring to completing a task or exam in multiple separate sessions rather than in a single continuous period.

Revise

To review and make changes or corrections to a document or plan to improve its accuracy, effectiveness, or condition.

Connotation

The implied or emotional significance attached to a word or phrase, beyond its literal meaning.