1. The problem statement, all variables and given/known data A 3000kg space capsule is traveling with a velocity of 200m/s. In an effort to alter its course, it fires a 25.0 kg projecticle perpendicular to its original direction of motion at a speed of 2000 m/s. What is the speed of the capsule and by what angle has its direction changed. * my teacher said assume mass stays the same* 2. Relevant equations P = mv m1v1 + m2v2 = m1v1' + m2v2' M = m1 + m2 V = combined velocity 3. The attempt at a solution MV = m1v1' + m2v2' (3000)(200) = (3000)(v1') + (25)(2000) v1' = 1833.3 Is this right so far? I'm very confused and am not sure if I should be using Pythagoras to find it or what?