1. The fictional rocket ship Adventure is measured to be 95 m long by the ship's captain inside the rocket. When the rocket moves past a space dock at 0.5c. As rocket ship Adventure passes by the space dock, the ship's captain flashes a flashlight at 1.20-s intervals as measured by space-dock personnel.
a. How often does the flashlight flash relative to the captain? Express your answer to two significant figures and include the appropriate units.