Question 840067: Which of these pipes will
empty a pool the fastest?
1.One pipe of diameter 60 cm.
2.Two pipes of diameter 30 cm each.
3.Three pipes of diameter 20 cm each.
Please explain
Answer by richwmiller(17219)   (Show Source):
You can put this solution on YOUR website! Although it looks like they are equal the areas and volumes would be different.
a=pi*30^2,
b=2*pi*15^2,
c=3*pi*10^2
{a = 900 pi, b = 450 pi, c = 300 pi}
a=2827.4, b=1413.7, c=942.48
The single pipe would carry more liquid faster
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