Parameters and Typical Relationship (id: 701f3709e)

本题目来源于试卷: 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 movingm5vetx:m .tyutspd)b.lj: 75 y/z1s n along a straight line is gidjtj.40rlv*7grg g7 cven by the velocity vs. time graph shown. 7.j7g lrgvr d*4gcj0t
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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