Question

26. How many litres of water flows out of a pipe having an area of cross section of 5 cm' in 1 minute, if the speed of water in the pipe is
30 cm/sec?
Answer : 9 litres





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Answer 1

Answer:

9 litres

Step-by-step explanation:

Speed of water =30 cm/s ;

Area of pipe =5 cm

2

;

Volume flowing per unit time =30 cm/s×5 cm

2

=150 cm

3

/s

1 Litre=1000 cm

3

Volume flowing per unit time =0.15 Litre/sec

In 1 minute water that will flow=0.15 ×60 Litres