Homework Statement
Two particles are projected from the same point with velocities v1 and v2 at elevation α1 and α2, respectively, (α1>α2). Show that if they collide in mid-air, interval between firings must be:
2v1v2sin(α1 - α2)/g(v1cosα1 + v2cosα2)
Homework Equations
y = xtanα -...