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 along a strh y fq5ogq2qd: ad3tl8npsg2z 0oj 95;aight line. Its initial position is x0 =rz 0l )0y-tvsiztydp1;rw - i81hwv3e -5 meters and it is moving away from the origin and slowing down. In this coordinate t00r3wyz8s- ie-vp;tzvh ywrd1i1l )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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