Hey all, me again. This time my question has to do with projectile motion with air resistance from a given height. 1. The problem statement, all variables and given/known data A cannon is located on a cliff of height h. If the muzzle velocity of a projectile is v0, find the range of the projectile when the drag is proportional to the velocity. 2. Relevant equations ma=-mg-kvy. Vertical motion ma=-kvx. Horizontal motion mg=kvt. Terminal velocity 3. The attempt at a solution I first attempted to find t via the horizontal motion formula, but my answer doesn't take into account the height difference. Then I tried integrating the vertical motion equation and got an answer of t=-vt/g * ln((vt+vy)/(vt+voy)) where voy is the initial vertical velocity. I then made vy=dy/dt and tried to find t from there but I have no idea how to do the integration. Am I even on the right path? I'm hoping if I can find the time t given y I can plug that into xcosθ*t to give me the range.