Water is being pumped out through a circular pipe whose internal diameter is 7 cm. If the flow of water is 72 cm/s, how many litres of water is being pumped out in 1 hour?
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Hey bro, Refer the attachment.Verified answer
Don't look picture .now explanation :-
we have radius of circular pipe= 7/2 .
now,,
the water flow from circular cylinder of radius 7/2 ..
it is given that water flow out @ of = > 72cm/ sec .
now ,
length of water flowing in 1 second is = 72 cm .
Volume of Cylinder of radius 7/2 and length is 72 cm .
now,
we have to calculate the volume of cylinder
= >
volume comes is => 2772 cm3.
volume of water flowing out in one hour = >
2772 * 3600 cm3 .
=> 9979200 cm3 .
9979200/ 1000.
9979.2 liters.
hope it helps in understand you now ..
thanks .