Simple Harmonic Motion: Parameters and Typical Relationship (id: 7da68cc45)

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]
11.18: The motion of an object movnw.5w2 1yker / qz)p9q2 jumauing along a stt )sb1/t;y1vfddhf7j+b0yzkraight line is given by the velocity vs. time graph showkf7 y tvt/y1jb d+f sdb0z;)h1n.
Which one of the following choices best represents the average acceleration of the object during the time interval from t=4.0 sto t=9.0 s?

A. $0.80 m/s^{2}$
B. 0
C. $-0.80 m/s^{2}$
D. $-1.60 m/s^{2}$
E. $-3.2 m/s^{2}$


参考答案:  D


本题详细解析: 暂无

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