Originally posted by 落雷 at 2005-6-10 10:01 PM: since份CE卷會有4-5分問你點樣做first principle blue:用中文講一次 一條直線的slope在任何一點都固定的 y=mx+c,v=u+at都是直線 那麼可以證明s=ut+(1/2)at^2係a是常數先用到 final exam (next week) ar Sir 話用differentiation 做 (no mark)...XD 訓練我地用first principle.... 即係 acceleration 一定係constant 先用到? [ Last edited by smallpotato226 on 2005-6-10 at 10:25 PM ] |