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9. 有一皮球自由落下,著地後又反跳,若向上為正,向下為負,則其 v-t 圖為下列何者?
問題詳情
9. 有一皮球自由落下,著地後又反跳,若向上為正,向下為負,則其 v-t 圖為下列何者?
參考答案
答案:D
難度:適中0.666667
統計:A(1),B(0),C(0),D(2),E(0)
上一篇 :
9. 過飽和溶液不安定,下列何項措施最易使溶液中之溶質析出而變成飽和溶液?(A) 冷卻 (B)加熱 (C)加入晶種 (D)增大壓力。
下一篇 :
32. 近年來採用高出力之船舶主柴油機,因使用價廉劣質重油,更加速何種備件的磨耗?(A). 十字頭軸承(B). 氣缸套(C). 曲拐軸承(D). 傳動齒輪
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