做平抛运动的物体,某时刻在竖直方向和水平方向的分速度大小相等

做平抛运动的物体,某时刻在竖直方向和水平方向的分速度大小相等,则该时刻物体到抛出点的水平距离和竖直距离之比为:

A.1:1        B.1:2          C.2:1          D.无法判断

答案

C

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