How Fast Would a Rocket Ship Have to Move to Contract

question 34

Multiple Choice

How fast would a rocket ship have to move to contract to half of its proper length (as observed by a stationary object) ?

• A)0.25c
• B)0.50c
• C)0.65c
• D)0.78c
• E)0.87c

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Definitions:

T-statistic

A type of statistic used in hypothesis testing, calculated to determine the significance of certain variables or differences between means.

Level of Significance

A threshold of probability set before a study to determine when an observed effect is considered statistically significant, typically denoted by alpha.

Alpha

In statistics, the significance level defined as the probability of rejecting the null hypothesis when it is true.

Critical Value

A point on the scale of a test statistic beyond which we reject the null hypothesis, often associated with the desired significance level of a test.