https://tkmemo.com/zh-CN/videos/why-projectile-splits2026-09-11T18:29:28.504849+00:00https://tkmemo-images.s3.us-east-005.backblazeb2.com/covers/2026/09/12/why-projectile-splits/en/v1.jpg抛体运动为什么能拆成两个方向一条抛物线，是水平匀速和竖直变速同时发生。https://tkmemo.com/api/v1/videos/why-projectile-splits/media/playback432026-09-11T18:29:28.511862+00:00