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 wifeeic : o4- j8hxl(y7;te y,a- au)gx.u jle0lth time t of the velocity v of a car travel/w az4xk-hm 7vv:bni3ing along a straight and level romz-/ka:nh7 4w3ib v vxad.

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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