液压(好像是)eight gallons of water per minute are flowing at a given time from the 1-inch at a given time form the 1-inch outlet in the tank shown above.waht is the amount of water flowing at that time from the 2-inch oultet?a 64 gallons per min
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/22 08:49:53
液压(好像是)eight gallons of water per minute are flowing at a given time from the 1-inch at a given time form the 1-inch outlet in the tank shown above.waht is the amount of water flowing at that time from the 2-inch oultet?a 64 gallons per min
液压(好像是)
eight gallons of water per minute are flowing at a given time from the 1-inch at a given time form the 1-inch outlet in the tank shown above.waht is the amount of water flowing at that time from the 2-inch oultet?
a 64 gallons per minute
b 32 gallons per minute
c 16 gallons per minute
d 2 gollons per minute
能不能给我写下过程,有公式更好了,学过的都忘了,
液压(好像是)eight gallons of water per minute are flowing at a given time from the 1-inch at a given time form the 1-inch outlet in the tank shown above.waht is the amount of water flowing at that time from the 2-inch oultet?a 64 gallons per min
题目有些不严密,条件太简单.
这道题的考点是：在一定的条件下,流体的流量与流体管道的横截面积成正比,管道一般为圆形,因此与其半径（直径）的平方成正比.
8 ：1 = X ：（2X2）= X ：4
X=32
考点：在一定的条件下，流体的流量与流体管道的横截面积成正比，管道一般为圆形，因此与其半径（直径）的平方成正比。
∴由此导出：8 ：1 = X ：（2X2）= X ：4
解得：X=32