Two Spaceships Are Approaching One Another, Each at a Speed

question 87

Short Answer

Two spaceships are approaching one another, each at a speed of 0.31c relative to a
stationary observer on Earth. What speed, in terms of the speed of light, does an observer
on one spaceship record for the other approaching spaceship?

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Definitions:

Nonavian Reptiles

Reptiles excluding birds, encompassing groups such as turtles, snakes, lizards, and crocodilians.

Evolved

The process through which species undergo genetic changes over generations leading to variation and potentially new species.

Semilunar Valves

Valves between the ventricles of the heart and the arteries that carry blood away from the heart; aortic and pulmonary valves.

Exits

Points or passages for going out of a place or structure.