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]
Can an object's velocity change direu7yc);x,id plx(tu 5w oln: 0nction when its accelerationx(-pag-0b6 ntg* q sqo is constant? Support ys gpqo*a -t6xg0 bn-(qour answer with an example.
A. No, this is not possible because it is always speeding up.
B. No, this is not possible because it is always speeding up or always slowing down, but it can never turn around.
C. Yes, this is possible, and a rock thrown straight up is an example.
D. Yes, this is possible, and a car that starts from rest, speeds up, slows to a stop, and then backs up is an example.
参考答案: C
本题详细解析:
暂无
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