Velma's Rocket Ship Is Moving Away from Mort at a Speed

question 13

Multiple Choice

Velma's rocket ship is moving away from Mort at a speed of 0.75c. Mort fires a laser beam toward her spaceship, observing the tip of the laser beam to move away from him at speed c. According to the predictions of Galileo's relativity, Velma should observe this laser beam to pass her at a speed of

• A) 1.75c.
• B) 0.25c.
• C) 1.25c.
• D) 0.75c.
• E) None of the above.

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Definitions:

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