Author Question: An observer on a planet sees a spaceship approaching at 0.5c. A beam of light projected by the ship ... (Read 55 times)

lidoalex · **on:** Jul 27, 2018

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

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

Question 2

The more its central black hole was fed, the more likely the galaxy was to show up as a quasar.

Indicate whether the statement is true or false