A Space Ship Travelling at 55% the Speed of Light

question 19

Multiple Choice

A space ship travelling at 55% the speed of light relative to a stationary observer shoots a probe to a receiving ship moving at 65% the speed of light relative to the observer in the same direction.The speed of the probe relative to the first ship is 80% the speed of light.How fast does the receiving ship perceive the speed of the probe to be?

• A)0.11 c
• B)0.23 c
• C)0.54 c
• D)0.74 c
• E)0.89 c

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Definitions:

Wilcoxon Signed-Rank Test

A nonparametric statistical test used to compare two paired samples to assess whether their population mean ranks differ.

Relative Frequency Distributions

A representation of the number of times each value occurs relative to the total number of values in a data set.

Specified Median

A particular or defined median value within a dataset, often set as a target or comparison benchmark.

Z-Test Approximation

A statistical method used to determine if there is a significant difference between a sample mean and a population mean, applicable when the sample size is large and the population variance is known.