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Physics, 10.10.2021 14:00 itzzarosario12

If you were in a spaceship travelling at 0.80 c away from a star, at what speed would the star's light pass you? Still travelling at 0.80 c you see another spaceship approaching you, and the star. You measure its speed to be 0.84 c.

What is the other spaceship's speed in the star's frame of reference?

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