1. I don't have a specific question, however my AP Physics teacher threw these concepts at us, we have a test Wenesday , and I'm getting stressed! I know the general idea of the two, but if someone could give me a more descriptive and concrete explanation I would much appreciate it! 2. ΔX= ViTf + 1/2 ATf^2 H=1/2 gt^2 (free fall) Vf^2= Vi^2 + 2AΔX R=2Vi^2 sinθcosθ/g (projectile range) *this is a confusing one to me, and I don't know which questions would need this equation, and how I would use it! 3. I know that for two dimensional, the only difference between this and one dimensional is that now the object isnt going in just one direction, but possibly forwards and up. And for projectile that the horizontal is cos and has no acceleration but constant velocity; and that vertical is sin and has constant acceleration. But if someone could help me more with anything else I should know or any tips it'd be much appreciated!