1. The problem statement, all variables and given/known data Calculate the muzzle velocity and the time required between lanuches in order for the shells to land at the same time. (Picture of question located at the bottom of the screen) 2. Relevant equations for time: 2VoSinTheta /g (?) 3. The attempt at a solution I have no idea where to begin,sorry. Please help me to figure out where to start,can you refer me to some videos or break it down for me please?