What is the speed of the second spaceship
Two identical spaceships are traveling in the same direction. An observer on earth measures the first to have a speed .85c and observes the second to be 1.48 times as long as the first one. What is the speed of the second spaceship?
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According to the lorentz transformation equations, what are the x' and t' coordinates of this event as observed in the reference frame of a spaceship traveling in the x direction at a speed of .5c?
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An observer on earth measures the first to have a speed .85c and observes the second to be 1.48 times as long as the first one. What is the speed of the second spaceship?
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