問題詳情
9. 在一高75m之高樓取一物以初速20m/s仰角30度斜向上拋，則此物落至水平地面之水平位移為 (g=10m/s2)
(A)50
(B) 50
(C) 40
(D) 35
(E) 20
m
(A)50
(B) 50
(C) 40
(D) 35
(E) 20
m
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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