本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion,类别为 国际高中通用物理
[单选题]
Under what condition is average velocity equsy(yf3* (k+xv9q pqe cal to the aver;pn* 7j5xle,kfmtfkf d/: 6 ynage of the object's initial and finafkmnl:j ed/*fy kn;57f6,ptx l velocity?
A. The acceleration must be constantly changing.
B. The acceleration must be constant.
C. This can only occur if there is no acceleration.
D. This is impossible.
参考答案: B
本题详细解析:
暂无
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