A Spaceship Is 25 M Wide and 100 M Long

question 59

Multiple Choice

A spaceship is 25 m wide and 100 m long.When traveling at 0.80 c (in a direction along its length) ,what is its observed width?

• A) 42 m
• B) 25 m
• C) 16 m
• D) 15 m
• E) 20 m

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Definitions:

Standard Deviation

A statistical measure that indicates the dispersion or variability of a set of data points in relation to their mean.

Variability

The extent to which data points in a data set or distribution differ from each other and from the central value (mean or median).

Mean

The statistical measure that divides the sum of all values in a data set by the number of values, commonly known as the average.

Median

A statistical measure representing the middle value in a data set, where half the numbers are above and half are below it.