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阿智在畢旅不忘學習增加科學知能,隨時上網查資料,關於直線運動的位移、速率、速度、加速度...等,有點混亂,請你幫忙鳌清這些觀念:【題組】22.關於「速度」與「速率」的敘迹,下列何者正確?(A)運動的路
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阿智
在畢旅不忘學習增加科學知能,隨時上網查資料,關於直線運動的位移、速率、速度、加速度...等,有點混亂,請你幫忙鳌清這些觀念:
【題組】22.關於「速度」與「速率」的敘迹,下列何者正確?
(A)運動的路徑越長,瞬時速率越大
(B)運動的時間越短,瞬時速度越大
(C)在相同時間内,運動路徑越長,平均速度越大
(D)運動路徑長相等,運動時間越短,平均速率越大
參考答案
答案:D
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