How many minutes does it take the speed of light to go from the sun to the planet Neptune, a distance of 4.50x10^9 km? (the spee dof lught in free space is 3.00x10^7 m/s).
Capuchin
Sep 17, 2007, 11:31 PM
well, the speed of light is 3x10^8 m/s, to start with.