An observer on Earth sees an alien vessel approach ata
Chapter 36, Problem 36.19(choose chapter or problem)
An observer on Earth sees an alien vessel approach ata speed of 0.60c. The Enterprise comes to the rescue(Fig. 36-16), overtaking the aliens while moving directlytoward Earth at a speed of 0.90c relative to Earth. What isthe relative speed of one vessel as seen by the other?FIGURE 36-16 19.
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