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An Observer on a Planet Sees a Spaceship Approaching at 0.5c

Question 97

Multiple Choice

An observer on a planet sees a spaceship approaching at 0.5c. A beam of light projected bythe ship would be measured by this observer to travel at:

A) 0.25c.
B) 0.5c.
C) c.
D) 1.5c.
E) 2.5c.

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