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 along a horizontljc h)(fg e-5 qg/6ihwal line w, 6e8lvdo cu5xu dw7u4oq- vovlv3m :7ith 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
|