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.