中文辅助说明
改变初速度、发射角、初始高度和重力加速度，再播放运动过程，就能同时观察抛物线轨迹、水平与竖直速度分量。飞行时间、最大高度和水平射程会即时更新，帮助你把公式、向量分解和真实运动过程联系起来。
Interactive demonstration
Change the launch, then follow the motion
Tap anywhere on the trajectory or move the time slider. Air resistance is ignored and the ground is .
Position
Velocity
Speed
Direction
Live equations
Initial components
Position at time t
Velocity at time t
Key results
Time to highest point
Maximum height
Total flight time
Horizontal range
Impact velocity