本题目来源于试卷: Physics Bowl by Topic 2: Kinematics - part I General Motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
11.08: An object moves a jerug(4z3e w4i5* l vftnf7q2i,w1n *gxgso 1w -f8rmlong a horizontal line with increasing speed.
choices could represent the signs of the velocity and of the acceleration for the object to achieve this motion?
A. Velocity: zero; Acceleration: zero.
B. Velocity: positive; Acceleration: zero
C. Velocity: positive; Acceleration: negative
D. Velocity: negative; Acceleration: positive
E. Velocity: negative; Acceleration: negative
参考答案: E
本题详细解析:
暂无
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