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 straighl90m tjfyc(e 8t line is given buv5b ..rja1j(r hqj3. pe;utly the velocity vs. timr.(pj.1 ab;luehujjt3. 5 rqve 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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