Find the relative speed between the spaceship and asteroid
A spaceship and an asteroid are moving in the same direction away from Earth with speeds of 0.83c and 0.39c, respectively. What is the relative speed between the spaceship and the asteroid?
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The spaceship moves past the Earth with a speed of 0.81c in a direction parallel to the floor of the ship. Find the angle the ladder makes with the floor, as seen by an observer on Earth. in °
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