本题目来源于试卷: Physics Unit3: Kiematics Motion in Two Dimension & Vectors，类别为 通用国际物理
[单选题]
An Olympic athlete throws a javelin at four differe 6ggqazv 5*o:+mjgl1unt angles above the hjaub,w4 5q u2j l9r2cy w.pwd0orizontal, each with the same s a.wjb4 u ur dl,ww5jcp9y202qpeed: $30^{\circ}$, $40^{\circ}$, $60^{\circ}$, 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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