Physics Bowl by Topic 2: Kinematics - part I General Motion (id: c5067bcbc)

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]
07.04: A particle mo )q1 wo)rjsf7w,djct ,()5yakh4ndz0l(sgeul9 p +snves on the x-axis. When the acceleration is positive and incr nlnz0 s(yup+kg9 ah5)ld e(s4easing

A. its velocity must be positive.
B. its velocity must be negative.
C. it must be slowing down.
D. it must be speeding up.
E. none of the above must be true.


参考答案:  E


本题详细解析: 暂无

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