Recent content by xuran

All my textbooks (three) only give the equations for time dilation, length contraction and mass dilation. We are given a very basic rundown of what special relativity is that pretty much just involves simultaneity and the above three changes. With just this would it be expected to know how to...

Astronauts on a long space journey are playing golf inside their spaceship, which is traveling away from the Earth with speed 0.6c. One of the astronauts hits a drive exactly along the length of the spaceship (in its direction of travel) at speed 0.1c in the frame of the spaceship. What is the...