Two Spaceships Approach Earth from the Same Direction

question 91

Multiple Choice

Two spaceships approach Earth from the same direction. One has a speed of 0.21c and the other a speed of 0.34c, both relative to Earth. What is the speed of one spaceship relative to the other?

• A) 0.18c
• B) 0.16c
• C) 0.14c
• D) 0.13c
• E) 0.15c

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Definitions:

Revitalization Movement

A social movement aimed at reforming or renewing a society by consciously instigating major changes in values, practices, or symbols.

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