The Observed Relativistic Length of a Super Rocket Moving by the Observer

question 30

Multiple Choice

The observed relativistic length of a super rocket moving by the observer at 0.57c will be what factor times that of the measured rocket length if it were at rest?

• A) 0.82
• B) 0.45
• C) 1.4
• D) 0.71

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Definitions:

Regression Equation

A mathematical formula used to describe the relationship between a dependent variable and one or more independent variables.

Correlation Coefficient

A numerical index that reflects the relationship between two variables, specifically how the value of one variable changes when the value of the other variable changes.

Prediction Error

The difference between observed values and the values predicted by a model, used as a metric to evaluate the accuracy of predictions.

Absolute Value

The non-negative value of a number disregarding its sign; representing its distance from zero on the number line.