本题目来源于试卷: Physics Bowl by Topic 2: Kinematics - part I General Motion,类别为 美国物理杯赛(Physics Bowl)
[单选题]
08.24: The velocity v j 9h vy7 +;q5m(c)mr+sb xgtn:knqbh* s ct r)huzj k; fj ni-b a01huh* 73:hgh34sqj+j. time graph for the motion of a car on a straight track is shown in t sbh1;37jju - fhhjcq3gtahiz 0 +4)*:krjun hhe diagram. The thick line represents the velocity. Assume that the car starts at origin $x=0$. What is the average speed of the car for the 10 second interval?

A. 1.20 m/s
B. 1.40 m/s
C. 3.30 m/s
D. 5.00 m/s
E. 5.40 m/s
参考答案: D
本题详细解析:
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