英语翻译A jet of water from a 25mm diameter nozzle is directed v
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英语翻译
A jet of water from a 25mm diameter nozzle is directed vertically upward.Assuming that the jet remains circular and neglecting any loss of energy,what will be the diameter of the jet at a point 4.5m above the nozzle if the velocity with which the jet leaves the nozzle is 12m/s?
A jet of water from a 25mm diameter nozzle is directed vertically upward.Assuming that the jet remains circular and neglecting any loss of energy,what will be the diameter of the jet at a point 4.5m above the nozzle if the velocity with which the jet leaves the nozzle is 12m/s?
![英语翻译A jet of water from a 25mm diameter nozzle is directed v](/uploads/image/z/18237946-58-6.jpg?t=%E8%8B%B1%E8%AF%AD%E7%BF%BB%E8%AF%91A+jet+of+water+from+a+25mm+diameter+nozzle+is+directed+v)
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?
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