Question

how many litres of the water flows out of a pipe having an area of cross section 10 cm square in one minute if speed of water in a pipe is 40 centimetre per second

Answer 1

Given, area of the cross section of pipe = 10cm2

Speed of the water flowing out of the pipe = 40 cm/sec

Now, volume of the water flowing out of the pipe in one second = area of the cross section * 40

= 5 * 40

= 200 cm3

Volume of the water flowing out of the pipe in one minute = 60 * 200

= 12000 cm3

Since 1000 cm3 = 1 litre

So, 12000 cm3 = 12 litres

Hense, Volume of the water flowing out of the pipe in one minute is 12 litres.
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