Spaceships a and B Are Moving in the Same Direction

question 24

Multiple Choice

Spaceships A and B are moving in the same direction. Spaceship A is moving at 0.80 c relative to a stationary observer, and spaceship B is moving at 0.80 c relative to spaceship A. What does the stationary observer find for the speed of spaceship B?

• A) 1.6 c
• B) 1.3 c
• C) 1.0 c
• D) 0.78 c
• E) 0.98 c

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Definitions:

Calcium

A chemical element symbolized by Ca, which is essential for living organisms, primarily in cell physiology and bone structure formation.

Linear Inequality

A mathematical statement that relates linear expressions using inequality signs such as <, >, ≤, or ≥.

Domain

The domain of a function is the complete set of possible values of the independent variable for which the function is defined.

Range

The difference between the highest and lowest values in a set of numbers.