本题目来源于试卷: Physics Unit3: Kiematics Motion in Two Dimension & Vectors，类别为 国际高中通用物理
[单选题]
An Olympic athlete throws a javelin at fo;h* gcmkl lbfs1uf -.:ul x7t6vkkok4x 7ee9y ;mp;x ,r9ynl+g r different angles above the horizontal, each with th7; txrgl7+ mkyek6opexkn; 4xyvl99,e same speed: $30^{\circ}$, $40^{\circ}$, $60^{\circ}$, and $80^{\circ}$. Which two throws cause the traveling to land the same distance away?
A. $30^{\circ}$ and $80^{\circ}$
B. $40^{\circ}$ and $60^{\circ}$
C. $40^{\circ}$ and $80^{\circ}$
D. $30^{\circ}$ and $60^{\circ}$
参考答案: D
本题详细解析:
暂无
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