本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion,类别为 通用国际物理
[单选题]
A car starting from rest moves with co no x;3h,d41h+.z*vzrnqx tsnnstant 7 qvh, ()bbgj fr rg9idxz):6pacceleration of $2.0 \; m/s^2$ for 10 s, then travels with constant speed for another 10 s, and then finally slows to a stop with constant acceleration of -$2.0 \; m/s^2$. How far does it travel?
A. $200 \; m$
B. $300 \; m$
C. $400 \; m$
D. $500 \; m$
参考答案: C
本题详细解析:
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