The Velocity of an Electron Is Changed from C/2 in the -X

question 17

Multiple Choice

The velocity of an electron is changed from c/2 in the -x direction to c/2 in the +x direction.As a result, its kinetic energy changes by:

• A)2mc²
• B)√2mc²
• C)mc²
• D)0.5mc²
• E)0

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Definitions:

Factorial Design

An experimental strategy in which factors are varied together to examine their interaction effects on a response variable.

Independent Variables

Variables that are manipulated or changed in an experiment to test their effects on dependent variables.

Dependent Variable

The variable in an experiment that is observed and measured for changes, which are thought to be influenced by the manipulation of the independent variable.

Interaction

In research, this refers to the effect that variables have on each other when combined.