1. The problem statement, all variables and given/known data Rocket "A" velocity is 0.8c to the right ,reltaive to earth Rocket "B" velocity is 0.6c to the left , relative to rocket "A" (This one I succedeed) My problem was in this question: Repeat the same problem ,but bow rocket "A" moves 0.8c * upwards *(positive y axis) For some reason , I didn't make well 2. Relevant equations 3. The attempt at a solution Tried using these equation while: V=0.8,vx'=-0.6c,vy'=-0.8 Now , I know I got something wrong but I couldn't figure it out by myself(although I tried)..... Thank you!