機動同盟 Gundam HK

#1 物理求教
嘛...其實也只是一個問題
就是想知velocity跟speed的分別
9/27 19:26
小小羊仔

#2
velocity→要把方向納入計算

speed→不用

假設Take right hand side as the positive side
向左走的velocity就會是負數
9/27 19:28
仁一個

#3 轉
Just as distance and displacement have distinctly different meanings (despite their similarities), so do speed and velocity. Speed is a scalar ..

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