Physics, 04.10.2019 20:00 ggdvj9gggsc
Two spaceships are approaching each other. (a) if the speed of each is 0.9c relative to earth, what is the speed of one relative to the other? (b) if the speed of each relative to earth is 30,000 m/s (about 100 times the speed of sound), what is the speed of one relative to the other?
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Two spaceships are approaching each other. (a) if the speed of each is 0.9c relative to earth, what...
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