Answered: A starship blasts past the earth at 2.0…

A starship blasts past the earth at 2.0 x 108 m/s. Just after passing the earth, the starship fires a laser beam out its back. With what speed does the laser beam approach the earth?

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A starship blasts past the earth at 2.0 x 10⁸ m/s. Just after passing the earth, the starship fires a laser beam out its back. With what speed does the laser beam approach the earth?

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