一柱水柱从直径25毫米的喷口垂直向上喷出.假设水柱保持圆形并不计能力损失,水柱离开喷口时的速度是12米每秒,那么当水柱到达喷口以上4.5米位置时,水柱的直径是多少?
英语翻译A jet of water from a 25mm diameter nozzle is directed v
2个回答
相关问题
-
diameter of 28mm and thickness of 12 mm
-
英语翻译A jet lagged dreamer just back from a trying family get-
-
英语翻译书上翻译的 water is another form of energy.我觉得应该是 water is a
-
Out diameter 14.99mm is for interferance fit 求中文翻译,
-
英语翻译ConcreteConcrete is a mixture of water,sand and gravel.C
-
英语翻译A slender rod of length L=200mm is held in equilibrium a
-
英语翻译a and b in a river in same direction from the same place
-
英语翻译Packaging is an important from of advertising .A package
-
英语翻译Besides proximity of a monitored water source or water-
-
英语翻译San Francisco Bay is a harbour of bright blue water.To l