A spaceship travels at 0.722c relative to Earth. If the spaceship fires a small rocket in the forward direction, how fast (relative to the ship) must it be fired for it to travel at 0.894c relative to Earth?
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A spaceship travels at 0.722c relative to Earth. If the spaceship fires a small rocket in the forward direction, how fast (relative to the ship) must it be fired for it to travel at 0.894c relative to Earth?
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