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
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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 min](/uploads/image/z/6594249-57-9.jpg?t=%E6%B6%B2%E5%8E%8B%28%E5%A5%BD%E5%83%8F%E6%98%AF%29eight+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%3Fa+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 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