Space Time & Motion A.1 Kinematics (id: 53e38ea20)

本题目来源于试卷: Space Time & Motion A.1 Kinematics，类别为 IB物理学

[单选题]
The graph shows the variation with time t o dw yybvw-2hrp s1l*5,f the velocity v of a 3 df-0,fl-- 6wkryvyw y zl4fzcar traveling along a straight and levef3- flflvy w6zzd wyr04y,--kl road.

What time does it take for the car to travel a distance of 31.5 m from t = 0?

A. 2 s
B. 7 s
C. 10 s
D. 12 s


参考答案:  B


本题详细解析:

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