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 different a0w1weqgv)x7y q0 e vq5nhe:- ns9ba g.8hbks6)m-h we+lvwi1n gles above the horizontal, each with the s k19l+a)im s.vgeh-nne 6 b:h sww8bh-ame 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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