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]
13.32: An acceleration vs. t iz w0bdd8t da js3 b1lzd;6/a)ime gra t7 3tf:*91ieuubptno ph for an object moving along a line is shown. The object starts from rest at time t=0 s. At what time(s) does the object attain a maximum displacement tni9 tue:1 up7t3ofb* from its starting position?
A. At times t=2.5 and t=7.5 only
B. At times t=5.0 and t=10 only
C. At times t=12.5, t=3.75, t=6.25, and t=8.75 only
D. At times t=2.5, t=5.0, t=7.5, and t=10 only
E. At time t=10 only
参考答案: E
本题详细解析:
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