⚛️ PhysicsLevel 1 — 🟢 Basickinematics👁 17 views⏱ 1 min read
解物理: 一个物体从高处自由落下，经过 t = 9 s 后落地。求落地时的速度和下落高度。(g = 9.8…
📝 Problem
一个物体从高处自由落下，经过 t = 9 s 后落地。求落地时的速度和下落高度。(g = 9.8 m/s²)✨Detailed Solution
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