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]
07.05: The position- v+n *mg yrbi65tb 5,tjtime codj.;g y+l0evo3 xc )ngn-y8b 1tcc9, $y\;vs\;t$, graph for the motion of an object is shown. What would be a reasonable equation for the acceleration that would account for this motion?
A. a = 0
B. a = positive constant
C. a = negative constant
D. a = positive constant times t
E. a = negative constant times t
参考答案: C
本题详细解析:
暂无
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