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 moving along a straight line 5pp g;: nh7ctv-gj:ha f 49a+9 w *;sr4nzqdjyb0wtrjis given by the velocity vs. time graph saq yt*z jn+40r9fsw9w;4rdbjhown.
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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