10B. Observers in frame S see an explosion located at x1 = 480 m. A second explosion occurs 5 s later at x2 = 1200 m. In frame S’ (which moves along the +x axis), the explosions occur at the same point in space. What is the separation in time between the two explosions as measured in S’? Hint: If the explosions occur at the same place in S’, and we imagine putting an (unfortunate) observer B’ at that position, what is her speed (as measured in S) ?
You should also continue working on your creative project. I have allocated about 3 hours from the current assignment for you to work on it this week.