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Another question - HELP!

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hasan919:
http://www.xtremepapers.me/CIE/Cambridge%20IGCSE/0580%20-%20Mathematics/0580_w05_qp_4.pdf

PG 6 - number 7) c) ii)... anyone can help me wid diz one? Thank You.

SauD~:
There is a formula for that which is...

Flow of water(volume) = Cross sectional area x speed x time
as we are required to find the time thus the formula changes into:

Flow of water (volume)/Cross sectional area x speed = time

now use the formula to find answer i will post it after i do the whole question :)

Most UniQue™:

--- Quote from: $~SauD~$ on May 15, 2011, 10:17:39 am ---There is a formula for that which is...

Flow of water(volume) = Cross sectional area x speed x time
as we are required to find the time thus the formula changes into:

Flow of water (volume)/Cross sectional area x speed = time

now use the formula to find answer i will post it after i do the whole question :)

--- End quote ---

By cross sectional area u mean the area of the of the circle(whole pipe) or the semi circle(half pipe)?

SauD~:

--- Quote from: The Nerdy Pro on May 15, 2011, 10:23:03 am ---By cross sectional area u mean the area of the of the circle(whole pipe) or the semi circle(half pipe)?

--- End quote ---
Yes.. :)

Most UniQue™:

--- Quote from: $~SauD~$ on May 15, 2011, 10:36:18 am ---Yes.. :)

--- End quote ---

I'm asking u mean whole circle or semi?

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