Physics Bowl by Topic 4: Kinematics - part III Projectile Motion (id: a1cddff82)

本题目来源于试卷: Physics Bowl by Topic 4: Kinematics - part III Projectile Motion，类别为 美国物理杯赛(Physics Bowl)

[单选题]
94.14: An arrow is aimed horizontally, directly aticw/gn5 v7fde r7/y/ zk5cgi ;sj mr+zwl+8m3 the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting alj38 mr++wz msir resistance, what was the initial speed of the arrow?

A. 20 m/s
B. 40 m/s
C. 100 m/s
D. 200 m/s
E. 400 m/s


参考答案:  D


本题详细解析: 暂无

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