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 mo g)hwz:y..b8c6rv gn fving along a straight line. Its initial position is x0 = j imt 3z+q9ec9+enm 0gj.fr9z-5 meters and it is moving away from the origin and slowing dt9q0rmin9gjfe93+mj e cz .+z own. In this coordinate system, the signs of the initial position, initial velocity and acceleration, respectively, 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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