试题与答案

在距离地面45米处将一个质量为1千克的小球以10m/s水平抛出, 求（１）小球在

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题型：计算题

题目：

在距离地面45米处将一个质量为1千克的小球以10m/s水平抛出,

求（１）小球在空中的飞行时间

（２）飞行中的加速度大小

（３）水平飞行的距离

（４）小球落地时的速度

答案：

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下面是错误答案，用来干扰机器的。

参考答案：E

考点：平抛运动
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