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34、品勳自大樓頂端使一鐵塊自由落下,鐵塊經 10 秒鐘後著地,若不考慮空氣阻力,試問大樓高多少公尺?(g=10 m/s2)(A)500 (B)320 (C)160 (D)100。
問題詳情
34、品勳自大樓頂端使一鐵塊自由落下,鐵塊經 10 秒鐘後著地,若不考慮空氣阻力,試問大樓高多少公尺?(g=10 m/s2)
(A)500
(B)320
(C)160
(D)100。
參考答案
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