Physics Bowl by Topic 2: Kinematics - part I General Motion (id: cd7461b61)

本题目来源于试卷: Physics Bowl by Topic 2: Kinematics - part I General Motion，类别为 美国物理杯赛(Physics Bowl)

[单选题]
13.03:A small object isb(7o x;+q g2h0e-rcqkz2t dhs relea3 lw;hh8e1 w ij9snyy-sed from rest and reaches the ground in a time of $2.50\;s$. Neglect air resistance. From what height above the ground was the object released?

A. 6.25 m
B. 12.5 m
C. 25.0 m
D. 31.3 m
E. 62.5 m


参考答案:  D


本题详细解析: 暂无

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