Three Spaceships A,B,and C Are in Motion as Shown in the Figure.The

question 19

Multiple Choice

Three spaceships A,B,and C are in motion as shown in the figure.The commander on ship B observes ship C approaching with a relative velocity of 0.83c.The commander also observes ship A,advancing in the rear,with a relative velocity of 0.48c.As measured by commander on ship B,at what speed is ship A approaching ship C?

• A) 1.3c
• B) 0.94c
• C) 0.25c
• D) 0.58c
• E) 2.2c

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Definitions:

Hypothesis Testing

A method in statistics to decide whether to accept or reject a hypothesis based on sample data, to determine the likelihood that a parameter related to the population is true.

Research Hypothesis

A specific, testable prediction about the expected outcome of a study.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Samples

Subsets of a population selected for measurement, observation, or questioning to make statistical inferences about the whole population.