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]
Under what condition is average velocity equal to the aver4 t g0,vnw(jk xjts2im9 n 3c,k4pzoc4age of the9x 4xpk4/sl kpz(9eg avpd42 j object's initial an9pzl /pxe4jas4 pd4 x(9kv2gk d final 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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