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Question about Special Relativity (1 Viewer)

Modern4DaBois

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Oct 25, 2021
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2022
How do relative velocities work near the speed of light. Say u r shooting a bullet that goes at 0.8c from a spaceship that goes at 0.8c, what is the velocity of the bullet relative to an observer on the ground? I know that this equation gives the answer, but could someone pls show how to derive it and where it comes from?

Screen Shot 2022-01-03 at 12.03.13 pm.png
 

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