Resolve launch velocity into horizontal vₓ = v·cosθ and vertical v_y = v·sinθ components.
输入初速度 v 与仰角 θ,求水平与竖直分量。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Velocity components | vx const, vy = v0sinθ−gt | Halliday-Resnick |
| Resultant | v = √(vx²+vy²) | Halliday-Resnick |
| Independence | Component independence | Galileo 1638 |