Two spaceships are moving towards each other with the same speed measured by an ob- server on Earth. If the spaceships measured each other's speed to be 0.7c, what is the speed of each spaceship measured by the observer on Earth?

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2. Two spaceships are moving towards each other with the same speed measured by an ob-
server on Earth. If the spaceships measured each other's speed to be 0.7c, what is the
speed of each spaceship measured by the observer on Earth?
Transcribed Image Text:2. Two spaceships are moving towards each other with the same speed measured by an ob- server on Earth. If the spaceships measured each other's speed to be 0.7c, what is the speed of each spaceship measured by the observer on Earth?
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