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 initial15h.4pp: h mzmv/pht- )equjz kick, moves up along a smooth hill of icn1z7(mw*h,j( wj8jr*vb u oiv e. Make a statem m(h*r ,njiwovu18vjw*b7zj( ent concerning its acceleration.
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
|