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]
Suppose a can, after an initial kick, moves up5 24pxkj3 aaa-u dvbip.9g1gi alongdfrqhncfz 5: p1a-+k . a smooth hill of ice. Make a statement concerning its acceleration.d: 5 f. +qkzhfrac-1np
A. It will travel at constant velocity with zero acceleration.
B. It will have a constant acceleration up the hill, but a different constant acceleration when it comes back down the hill.
C. It will have the same acceleration, both up the hill and down the hill.
D. It will have a varying acceleration along the hill.
参考答案: C
本题详细解析:
暂无
| 
