If the Solar Wind Particles Have Speeds of 3 *10⁶

question 206

Multiple Choice

If the solar wind particles have speeds of 3 *10⁶ km/h, how long will it take for them to travel from the Sun to Earth?

• A) 50,000 hours, or 2000 days
• B) 5 hours, or less than 1/4 day
• C) 0.5 hour, or about 30 minutes
• D) 50 hours, or about 2 days

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Definitions:

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Second-Order Model

A second-order model in statistics or mathematics represents relationships where the effect of variables is not just linear but can also include squared terms or interactions between variables.

Predictor Variable

Also known as the independent variable, it is used in statistical models to predict the outcome of a dependent variable.

Response Surface

A graphical representation of how a response variable relates to two or more explanatory variables in an experiment.