Physics Bowl by Topic 2: Kinematics - part I General Motion (id: 211e9689e)

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]
09.08: Consider the moti9 xkn3j7pn6xs ggr*-h on of an object given by the position vlt j 1vig-y:h,s. time graph shown. For what time(s) is the speed of the ig -jhl1tv: ,yobject greatest?

A. at all times from t=0 to t=2.0s
B. at time t=3.0s
C. at time t=4.0s
D. at all times from t=5.0s to t=7.0s A
E. at time t=5.8s


参考答案:  C


本题详细解析: 暂无

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