首页/ 题库 / [单选题]消防水枪垂直向上喷出水柱,若出流速度为2的答案

消防水枪垂直向上喷出水柱,若出流速度为20 m/s,不考虑运动过程中的水头损失和水流相互作用,则水柱能达到最大的高度为( )m。

单选题
2021-09-01 23:39
A、20
B、40.8
C、20.4
D、10.2
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正确答案
C

试题解析

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