Two Spaceships Are Observed from Earth to Be Approaching Each

question 32

Multiple Choice

Two spaceships are observed from earth to be approaching each other along a straight line. Ship A moves at 0.40c relative to the earth observer, while ship B moves at 0.60c relative to the same observer. What speed does the captain of ship A report for the speed of ship B?

• A)0.19c
• B)0.75c
• C)0.81c
• D)0.92c
• E)0.96c

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Definitions:

Subscription Service

A pricing strategy in which consumers are charged periodically to use a product or service continuously.

Sampling Frame

The list or set from which a sample is drawn, representing the population from which researchers intend to collect data.

Population Size

The total number of individuals or units in the group that is the subject of statistical analysis.

Average Age

The mean value of the ages of individuals in a specific group or population, calculated by dividing the sum of all ages by the number of individuals.