本题目来源于试卷: 2011 美国F=ma物理竞赛 F=ma physics competition，类别为 美国物理杯赛(Physics Bowl)
[单选题]
[size=4]Questions 1 to 3 refer to the three graphs below which show velocity of three objects as a function of time. Each object is moving only in one dimension.[/size]
[img]data/attachment/exam/2312/09/2312091100206944.jpg[/img]
Rank the magnitudes of the average a u.rlt4kl6hj)7 pt -ascceleration during thec)vm uf,q;np6 ten second interval.
A. I $>$ II $>$ III
B. II $>$ I $>$ III
C. III $>$ II $>$ I
D. $I>$ II $=$ III
E. $I=I I=I I I$
参考答案: A
本题详细解析:
暂无
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