本题目来源于试卷: Physics Bowl by Topic 3: Kinematics - part II Uniformly Accelerated Motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
05.07: A snail is moving alov+9 saaynd;yks z. m34ng a straight line. ur3zz) ybwr+f-tb)q.Its initial position is x0 = -5 meters and it is moving away from the origin and slowing down. In this coordinate system, the signs of the initial position, initial velocity and acceleration, respectivzz)y.- 3r+b btwqfru )ely, are
A. $x_0$: minus; $v_0$: plus; $a$: plus
B. $x_0$: minus; $v_0$: minus; $a$: plus
C. $x_0$: minus; $v_0$: minus; $a$: minus
D. $x_0$: minus; $v_0$: plus; $a$: minus
E. $x_0$: plus; $v_0$: plus; $a$: plus
参考答案: B
本题详细解析:
暂无
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