An Electron of Mass 9

question 33

Multiple Choice

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

• A) 5.47 × 10−¹⁴ J
• B) 2.05 × 10−¹⁴ J
• C) 3.90 × 10−¹⁴ J
• D) 6.22 × 10−¹⁴ J

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Definitions:

Psychology

The scientific study of the mind and behavior, encompassing various aspects of human experience, mental functions, and social dynamics.

Tentative Statement

A proposition or assertion that is not final and might be subject to change.

Variables

Elements, factors, or conditions that can change and affect the outcome of experiments or studies.

Experimental Method

The experimental method is a scientific approach to research in which variables are controlled and manipulated to observe their effect on other variables, allowing for cause-and-effect conclusions.