Simple Harmonic Motion: Parameters and Typical Relationship (id: 701f3709e)

本题目来源于试卷: Simple Harmonic Motion: Parameters and Typical Relationship，类别为 美国物理杯赛(Physics Bowl)

[单选题]
11.19: The motion of an object moving along a (tz h4 94ytmhpstraight line is given by thej tykxa) znae1,x 54s) velocity x,4ae5sy )jnz ka1 )txvs. time graph shown.
Which one of the following choices best represents the instantaneous acceleration of the object at the time of t=5.0s?

A. 0
B. $- 1.6 m/s^{2}$
C. $- 2.0 m/s^{2}$
D. $- 3.2 m/s^{2}$
E. $- 4.0 m/s^{2}$


参考答案:  E


本题详细解析: 暂无

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