water is supplied to a city population for general use from a river through a cylindrical pipe. the radius of the cross section of pipe is 10cm. the speed of water through the pipe is 18km per hour. find the quantity of water in litres which is supplied to the city in 2 hours.
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Answered by
58
radius of pipe = 10 cm
area of cross section = λr²
= 22/7 x 10 x 10
= 2200/7
speed of water through the pipe = 18 km/h
length of column of water flown in 2 hr = 18 x 2 = 36 km or 360000cm
volume of water flown = area x length of column of water flown
= 2200/7 x 360000
= 792 x 10⁷ cm3
or 792 x 10⁴l
area of cross section = λr²
= 22/7 x 10 x 10
= 2200/7
speed of water through the pipe = 18 km/h
length of column of water flown in 2 hr = 18 x 2 = 36 km or 360000cm
volume of water flown = area x length of column of water flown
= 2200/7 x 360000
= 792 x 10⁷ cm3
or 792 x 10⁴l
pinksparkles22:
here, could you pls tell me, why you have taken area?
shouldn't it be CSA, instead of area ?
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16
Hope this helps, mark me as brainliest!!!
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