液压(好像是)eight gallons of water per minute are flowing at a gi
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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,
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,
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
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
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英语翻译:to mordant with alum heat 4 gallons of water.
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